ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor4060401489 <...> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... mmap resumed>) = 0x7f41a5370000 [pid 5908] <... futex resumed>) = ? [pid 5906] <... exit_group resumed>) = ? [pid 5913] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5908] +++ exited with 0 +++ [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5909] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5913] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5910] <... futex resumed>) = 0 [pid 5914] <... close resumed>) = 0 [pid 5913] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] +++ exited with 0 +++ [pid 5910] <... futex resumed>) = 0 [pid 5913] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = 0 [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5914] <... futex resumed>) = 1 [pid 5913] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5910] <... futex resumed>) = 0 [pid 5909] <... write resumed>) = 262144 [pid 5911] <... futex resumed>) = 0 [pid 5915] <... close resumed>) = 0 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] munmap(0x7f41a5370000, 138412032 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... munmap resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5914] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5913] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5915] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5914] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5913] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5909] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5915] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 0 [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... restart_syscall resumed>) = 0 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 1 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] <... futex resumed>) = 0 [pid 5909] close(5 [pid 5915] <... futex resumed>) = 0 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5913] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... close resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5915] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5914] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5913] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 1 [pid 5913] mkdirat(AT_FDCWD, NULL, 0777 [pid 5911] <... futex resumed>) = 0 [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] exit_group(0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5915] <... futex resumed>) = 1 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5912] <... futex resumed>) = 0 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... futex resumed>) = ? [pid 5907] <... exit_group resumed>) = ? [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5915] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5915] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5914] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5913] <... futex resumed>) = 1 [pid 5915] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5914] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... futex resumed>) = 0 [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... futex resumed>) = 0 [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5916 attached [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] set_robust_list(0x5555683327a0, 24 [pid 5915] <... futex resumed>) = 0 [pid 5914] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5913] <... futex resumed>) = 0 [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 1 [pid 5909] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5916 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5914] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5916] rt_sigprocmask(SIG_SETMASK, [] [pid 5915] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... openat resumed>) = 4 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] <... restart_syscall resumed>) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] <... futex resumed>) = 0 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... futex resumed>) = 1 [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5916] <... prctl resumed>) = 0 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] setpgid(0, 0 [pid 5915] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5914] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... futex resumed>) = 0 [pid 5916] <... setpgid resumed>) = 0 [pid 5915] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5913] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5913] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5916] <... openat resumed>) = 3 [pid 5915] <... futex resumed>) = 1 [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5916] write(3, "1000", 4 [pid 5915] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 1 [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5916] <... write resumed>) = 4 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] mkdirat(AT_FDCWD, NULL, 0777 [pid 5913] openat(AT_FDCWD, NULL, O_RDWR [pid 5916] close(3 [pid 5915] mkdirat(AT_FDCWD, NULL, 0777 [pid 5914] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5912] <... futex resumed>) = 0 [pid 5913] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5916] <... close resumed>) = 0 [pid 5915] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5916] write(1, "executing program\n", 18 executing program [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 5917 attached [pid 5916] <... write resumed>) = 18 [pid 5915] <... futex resumed>) = 0 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] set_robust_list(0x5555683327a0, 24 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5915] <... openat resumed>) = 4 [pid 5914] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5913] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5917 [pid 5917] rt_sigprocmask(SIG_SETMASK, [] [pid 5916] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... openat resumed>) = 4 [pid 5913] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5916] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5915] <... futex resumed>) = 0 [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5915] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5914] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5917] <... prctl resumed>) = 0 [pid 5916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] setpgid(0, 0 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5913] sendfile(-1, -1, NULL, 553647746 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5917] <... setpgid resumed>) = 0 [pid 5916] <... mmap resumed>) = 0x7f41ad770000 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... futex resumed>) = 0 [pid 5914] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5915] <... futex resumed>) = 0 [pid 5914] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5913] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... openat resumed>) = 3 [pid 5916] <... mprotect resumed>) = 0 [pid 5915] openat(AT_FDCWD, NULL, O_RDWR [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] write(3, "1000", 4 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5915] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5914] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5917] <... write resumed>) = 4 [pid 5916] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] memfd_create("syzkaller", 0 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] close(3 [pid 5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5915] <... futex resumed>) = 1 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5910] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5913] <... memfd_create resumed>) = 5 ci2-upstream-fs/strace-static-x86_64: Process 5918 attached [pid 5917] <... close resumed>) = 0 [pid 5915] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] openat(AT_FDCWD, NULL, O_RDWR [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5917] write(1, "executing program\n", 18 [pid 5916] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5914] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5912] <... futex resumed>) = 0 [pid 5918] <... rseq resumed>) = 0 [pid 5917] <... write resumed>) = 18 [pid 5916] rt_sigprocmask(SIG_SETMASK, [] [pid 5915] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... mmap resumed>) = 0x7f41a5370000 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] set_robust_list(0x7f41ad7909a0, 24 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5915] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5914] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] rt_sigprocmask(SIG_SETMASK, [] [pid 5917] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5916] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5918] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5917] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5914] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] sendfile(-1, -1, NULL, 553647746 [pid 5918] memfd_create("syzkaller", 0 [pid 5917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5915] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5914] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5912] <... futex resumed>) = 0 [pid 5918] <... memfd_create resumed>) = 3 [pid 5917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... write resumed>) = 262144 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] <... futex resumed>) = 0 [pid 5914] <... futex resumed>) = 1 [pid 5913] munmap(0x7f41a5370000, 138412032 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = 0 [pid 5918] <... mmap resumed>) = 0x7f41a5370000 [pid 5917] <... mmap resumed>) = 0x7f41ad770000 [pid 5915] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] memfd_create("syzkaller", 0 [pid 5913] <... munmap resumed>) = 0 [pid 5917] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5915] <... memfd_create resumed>) = 5 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5912] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... mprotect resumed>) = 0 [pid 5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5914] sendfile(-1, -1, NULL, 553647746 [pid 5913] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5917] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5915] <... mmap resumed>) = 0x7f41a5370000 [pid 5914] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5917] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] close(5 [pid 5918] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5914] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5919 attached [pid 5918] <... write resumed>) = 1048576 [pid 5915] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... close resumed>) = 0 [pid 5911] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5917] <... clone3 resumed> => {parent_tid=[5919]}, 88) = 5919 [pid 5919] <... rseq resumed>) = 0 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] rt_sigprocmask(SIG_SETMASK, [] [pid 5913] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5919] set_robust_list(0x7f41ad7909a0, 24 [pid 5918] munmap(0x7f41a5370000, 138412032 [pid 5917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5915] <... write resumed>) = 262144 [pid 5914] memfd_create("syzkaller", 0 [pid 5913] <... futex resumed>) = 1 [pid 5911] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5910] <... futex resumed>) = 0 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... munmap resumed>) = 0 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] munmap(0x7f41a5370000, 138412032 [pid 5914] <... memfd_create resumed>) = 5 [pid 5913] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] exit_group(0 [pid 5919] rt_sigprocmask(SIG_SETMASK, [] [pid 5918] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5917] <... futex resumed>) = 0 [pid 5915] <... munmap resumed>) = 0 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] <... futex resumed>) = ? [pid 5910] <... exit_group resumed>) = ? [pid 5919] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5918] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5915] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5914] <... mmap resumed>) = 0x7f41a5370000 [pid 5913] +++ exited with 0 +++ [pid 5919] memfd_create("syzkaller", 0 [pid 5918] close(3 [pid 5910] +++ exited with 0 +++ [pid 5919] <... memfd_create resumed>) = 3 [pid 5915] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5914] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5915] close(5 [pid 5919] <... mmap resumed>) = 0x7f41a5370000 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5914] <... write resumed>) = 262144 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5914] munmap(0x7f41a5370000, 138412032 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5915] <... close resumed>) = 0 [pid 5914] <... munmap resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5915] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] <... futex resumed>) = 1 [pid 5915] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... futex resumed>) = 0 [pid 5914] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] exit_group(0 [pid 5914] close(5ci2-upstream-fs/strace-static-x86_64: Process 5920 attached [pid 5915] <... futex resumed>) = ? [pid 5919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5918] <... close resumed>) = 0 [pid 5912] <... exit_group resumed>) = ? [pid 5920] set_robust_list(0x5555683327a0, 24 [pid 5915] +++ exited with 0 +++ [pid 5914] <... close resumed>) = 0 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5920 [pid 5918] <... futex resumed>) = 1 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5914] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 1 [pid 5920] rt_sigprocmask(SIG_SETMASK, [] [pid 5919] <... write resumed>) = 1048576 [pid 5918] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5916] <... futex resumed>) = 0 [pid 5914] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] +++ exited with 0 +++ [pid 5911] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5919] munmap(0x7f41a5370000, 138412032 [pid 5918] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] exit_group(0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] <... munmap resumed>) = 0 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] <... futex resumed>) = ? [pid 5911] <... exit_group resumed>) = ? [pid 5919] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5918] <... futex resumed>) = 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5918] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5916] <... futex resumed>) = 0 [pid 5914] +++ exited with 0 +++ [pid 5920] <... prctl resumed>) = 0 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] setpgid(0, 0 [pid 5919] close(3 [pid 5918] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5920] <... setpgid resumed>) = 0 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5918] <... futex resumed>) = 1 [pid 5918] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] <... futex resumed>) = 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5918] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 1 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5918] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5911] +++ exited with 0 +++ [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5918] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5919] <... close resumed>) = 0 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-upstream-fs/strace-static-x86_64: Process 5921 attached [pid 5918] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5605] <... restart_syscall resumed>) = 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5916] <... futex resumed>) = 0 [pid 5921] set_robust_list(0x5555683327a0, 24 [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5921 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5921] rt_sigprocmask(SIG_SETMASK, [] [pid 5919] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5918] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5916] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5920] <... openat resumed>) = 3 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5921] <... prctl resumed>) = 0 [pid 5920] write(3, "1000", 4 [pid 5919] <... futex resumed>) = 0 [pid 5918] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5917] <... futex resumed>) = 1 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5921] setpgid(0, 0 [pid 5920] <... write resumed>) = 4 [pid 5919] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... setpgid resumed>) = 0 [pid 5920] close(3 [pid 5919] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5918] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] <... close resumed>) = 0 [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5922 attached [pid 5920] write(1, "executing program\n", 18 [pid 5919] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5921] <... openat resumed>) = 3 executing program [pid 5922] set_robust_list(0x5555683327a0, 24 [pid 5920] <... write resumed>) = 18 [pid 5919] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5918] mkdirat(AT_FDCWD, NULL, 0777 [pid 5921] write(3, "1000", 4 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5922 [pid 5922] <... set_robust_list resumed>) = 0 [pid 5921] <... write resumed>) = 4 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5917] <... futex resumed>) = 0 [pid 5922] rt_sigprocmask(SIG_SETMASK, [] [pid 5921] close(3 [pid 5920] <... futex resumed>) = 0 [pid 5919] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5921] <... close resumed>) = 0 [pid 5920] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] write(1, "executing program\n", 18 [pid 5920] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5918] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = 0 [pid 5922] <... prctl resumed>) = 0 [pid 5921] <... write resumed>) = 18 [pid 5920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5919] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5918] <... openat resumed>) = 4 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... futex resumed>) = 0 [pid 5922] setpgid(0, 0 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5922] <... setpgid resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5918] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... futex resumed>) = 0 [pid 5922] <... openat resumed>) = 3 [pid 5921] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] write(3, "1000", 4 [pid 5921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5919] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... write resumed>) = 4 [pid 5921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5920] <... mmap resumed>) = 0x7f41ad770000 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] close(3 [pid 5921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5920] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5919] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5918] <... futex resumed>) = 0 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... close resumed>) = 0 [pid 5921] <... mmap resumed>) = 0x7f41ad770000 [pid 5919] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... mprotect resumed>) = 0 [pid 5918] openat(AT_FDCWD, NULL, O_RDWR [pid 5916] <... futex resumed>) = 0 [pid 5922] write(1, "executing program\n", 18 [pid 5921] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5920] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... openat resumed>) = -1 EFAULT (Bad address) executing program [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... write resumed>) = 18 [pid 5921] <... mprotect resumed>) = 0 [pid 5920] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = 0 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5919] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... futex resumed>) = 1 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5923 attached [pid 5922] <... futex resumed>) = 0 [pid 5921] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] <... futex resumed>) = 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5920] <... clone3 resumed> => {parent_tid=[5923]}, 88) = 5923 [pid 5923] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5922] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5920] rt_sigprocmask(SIG_SETMASK, [] [pid 5919] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... futex resumed>) = 0 [pid 5923] <... rseq resumed>) = 0 [pid 5920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5923] set_robust_list(0x7f41ad7909a0, 24 [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5923] rt_sigprocmask(SIG_SETMASK, [] [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5919] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5918] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5923] memfd_create("syzkaller", 0 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5918] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) ci2-upstream-fs/strace-static-x86_64: Process 5924 attached [pid 5922] <... mmap resumed>) = 0x7f41ad770000 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5924] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5923] <... memfd_create resumed>) = 3 [pid 5922] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] <... mprotect resumed>) = 0 [pid 5921] <... clone3 resumed> => {parent_tid=[5924]}, 88) = 5924 [pid 5919] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] <... futex resumed>) = 0 [pid 5924] <... rseq resumed>) = 0 [pid 5923] <... mmap resumed>) = 0x7f41a5370000 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5921] rt_sigprocmask(SIG_SETMASK, [] [pid 5919] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] sendfile(-1, -1, NULL, 553647746 [pid 5917] <... futex resumed>) = 0 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] set_robust_list(0x7f41ad7909a0, 24 [pid 5922] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5918] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... set_robust_list resumed>) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5925 attached [pid 5924] rt_sigprocmask(SIG_SETMASK, [] [pid 5921] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5924] memfd_create("syzkaller", 0 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5918] memfd_create("syzkaller", 0 [pid 5916] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... rseq resumed>) = 0 [pid 5924] <... memfd_create resumed>) = 3 [pid 5922] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [pid 5919] <... futex resumed>) = 0 [pid 5918] <... memfd_create resumed>) = 5 [pid 5917] <... futex resumed>) = 1 [pid 5925] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] rt_sigprocmask(SIG_SETMASK, [] [pid 5919] mkdirat(AT_FDCWD, NULL, 0777 [pid 5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... futex resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [] [pid 5924] <... mmap resumed>) = 0x7f41a5370000 [pid 5922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5919] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 1 [pid 5918] <... mmap resumed>) = 0x7f41a5370000 [pid 5917] <... futex resumed>) = 0 [pid 5925] memfd_create("syzkaller", 0 [pid 5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5919] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... memfd_create resumed>) = 3 [pid 5917] <... futex resumed>) = 0 [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5919] <... openat resumed>) = 4 [pid 5925] <... mmap resumed>) = 0x7f41a5370000 [pid 5918] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5919] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5918] <... write resumed>) = 262144 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] openat(AT_FDCWD, NULL, O_RDWR [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5917] <... futex resumed>) = 0 [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5919] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] munmap(0x7f41a5370000, 138412032 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5918] <... munmap resumed>) = 0 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... write resumed>) = 1048576 [pid 5923] <... write resumed>) = 1048576 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5925] <... write resumed>) = 1048576 [pid 5924] munmap(0x7f41a5370000, 138412032 [pid 5923] munmap(0x7f41a5370000, 138412032 [pid 5919] <... futex resumed>) = 0 [pid 5918] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5917] <... futex resumed>) = 1 [pid 5925] munmap(0x7f41a5370000, 138412032 [pid 5924] <... munmap resumed>) = 0 [pid 5923] <... munmap resumed>) = 0 [pid 5919] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5918] close(5 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... futex resumed>) = 0 [pid 5925] <... munmap resumed>) = 0 [pid 5924] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5919] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... close resumed>) = 0 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5923] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5925] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5924] close(3 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... futex resumed>) = 0 [pid 5919] sendfile(-1, -1, NULL, 553647746 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5923] close(3 [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... futex resumed>) = 0 [pid 5918] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] close(3 [pid 5919] memfd_create("syzkaller", 0 [pid 5917] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5918] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] exit_group(0 [pid 5919] <... memfd_create resumed>) = 5 [pid 5917] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5918] <... futex resumed>) = ? [pid 5916] <... exit_group resumed>) = ? [pid 5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 5919] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5918] +++ exited with 0 +++ [pid 5916] +++ exited with 0 +++ [pid 5924] <... close resumed>) = 0 [pid 5925] <... close resumed>) = 0 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 1 [pid 5921] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5923] <... close resumed>) = 0 [pid 5922] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5924] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 5925] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5924] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5923] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... futex resumed>) = 0 [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... write resumed>) = 262144 [pid 5925] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] <... futex resumed>) = 0 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5922] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] munmap(0x7f41a5370000, 138412032 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5925] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5924] <... futex resumed>) = 0 [pid 5923] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... futex resumed>) = 1 [pid 5919] <... munmap resumed>) = 0 [pid 5925] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5924] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5923] <... futex resumed>) = 1 [pid 5920] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5925] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 0 [pid 5919] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... futex resumed>) = 1 [pid 5923] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5922] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] close(5 [pid 5925] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5923] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] <... futex resumed>) = 1 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5919] <... close resumed>) = 0 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 5926 attached [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5926 [pid 5926] set_robust_list(0x5555683327a0, 24 [pid 5925] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5925] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5923] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... futex resumed>) = 1 [pid 5919] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] exit_group(0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5926] rt_sigprocmask(SIG_SETMASK, [] [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... exit_group resumed>) = ? [pid 5925] <... futex resumed>) = 1 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5922] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = ? [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5924] <... futex resumed>) = 1 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... futex resumed>) = 1 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... prctl resumed>) = 0 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5926] setpgid(0, 0 [pid 5925] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5924] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... setpgid resumed>) = 0 [pid 5920] <... futex resumed>) = 1 [pid 5919] +++ exited with 0 +++ [pid 5917] +++ exited with 0 +++ [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5923] <... futex resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5926] <... openat resumed>) = 3 [pid 5926] write(3, "1000", 4 [pid 5924] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5926] <... write resumed>) = 4 [pid 5925] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5923] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5926] close(3 [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5602] <... restart_syscall resumed>) = 0 [pid 5926] <... close resumed>) = 0 [pid 5924] <... futex resumed>) = 1 [pid 5921] <... futex resumed>) = 0 [pid 5924] mkdirat(AT_FDCWD, NULL, 0777 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] write(1, "executing program\n", 18 [pid 5924] <... mkdirat resumed>) = -1 EFAULT (Bad address) executing program [pid 5925] <... futex resumed>) = 1 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 0 [pid 5926] <... write resumed>) = 18 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 0 [pid 5923] mkdirat(AT_FDCWD, NULL, 0777 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5922] <... futex resumed>) = 1 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5926] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5925] mkdirat(AT_FDCWD, NULL, 0777 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5925] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5924] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5923] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... openat resumed>) = 4 [pid 5923] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = 1 [pid 5923] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] <... mmap resumed>) = 0x7f41ad770000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... openat resumed>) = 4 [pid 5922] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... mprotect resumed>) = 0 [pid 5924] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5923] <... futex resumed>) = 1 [pid 5921] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5925] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5924] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5923] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5925] <... openat resumed>) = 4 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] <... futex resumed>) = 0 [pid 5926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5924] <... futex resumed>) = 1 [pid 5923] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5921] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5927 attached [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5926] <... clone3 resumed> => {parent_tid=[5927]}, 88) = 5927 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... rseq resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [] [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] openat(AT_FDCWD, NULL, O_RDWR [pid 5923] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] set_robust_list(0x7f41ad7909a0, 24 [pid 5926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5924] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5923] openat(AT_FDCWD, NULL, O_RDWR [pid 5922] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5928 attached [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5928 [pid 5928] set_robust_list(0x5555683327a0, 24 [pid 5927] rt_sigprocmask(SIG_SETMASK, [] [pid 5926] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5923] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 1 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5922] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5927] memfd_create("syzkaller", 0 [pid 5925] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5924] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5923] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 0 [pid 5928] rt_sigprocmask(SIG_SETMASK, [] [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5924] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5927] <... memfd_create resumed>) = 3 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = 1 [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... futex resumed>) = 1 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... futex resumed>) = 0 [pid 5928] <... prctl resumed>) = 0 [pid 5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... mmap resumed>) = 0x7f41a5370000 [pid 5920] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] sendfile(-1, -1, NULL, 553647746 [pid 5928] setpgid(0, 0 [pid 5925] openat(AT_FDCWD, NULL, O_RDWR [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5928] <... setpgid resumed>) = 0 [pid 5924] sendfile(-1, -1, NULL, 553647746 [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] <... futex resumed>) = 1 [pid 5924] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 1 [pid 5923] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... futex resumed>) = 1 [pid 5921] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 0 [pid 5924] memfd_create("syzkaller", 0 [pid 5925] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5923] memfd_create("syzkaller", 0 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... futex resumed>) = 0 [pid 5920] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5928] <... openat resumed>) = 3 [pid 5921] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5924] <... memfd_create resumed>) = 5 [pid 5925] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5923] <... memfd_create resumed>) = 5 [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5925] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5924] <... mmap resumed>) = 0x7f41a5370000 [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] sendfile(-1, -1, NULL, 553647746 [pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] <... futex resumed>) = 0 [pid 5928] write(3, "1000", 4) = 4 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] close(3 [pid 5925] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5923] <... mmap resumed>) = 0x7f41a5370000 [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... close resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5928] write(1, "executing program\n", 18 [pid 5922] <... futex resumed>) = 0 executing program [pid 5922] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... write resumed>) = 18 [pid 5925] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = 1 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] memfd_create("syzkaller", 0 [pid 5928] <... futex resumed>) = 0 [pid 5925] <... memfd_create resumed>) = 5 [pid 5922] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5927] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5928] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5925] <... mmap resumed>) = 0x7f41a5370000 [pid 5928] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5925] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5927] <... write resumed>) = 1048576 [pid 5924] <... write resumed>) = 262144 [pid 5923] <... write resumed>) = 262144 [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5927] munmap(0x7f41a5370000, 138412032 [pid 5924] munmap(0x7f41a5370000, 138412032 [pid 5923] munmap(0x7f41a5370000, 138412032 [pid 5928] <... mmap resumed>) = 0x7f41ad770000 [pid 5928] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5923] <... munmap resumed>) = 0 [pid 5928] <... mprotect resumed>) = 0 [pid 5927] <... munmap resumed>) = 0 [pid 5924] <... munmap resumed>) = 0 [pid 5928] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5924] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5927] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5924] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 5930 attached [pid 5930] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5923] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5930] set_robust_list(0x7f41ad7909a0, 24 [pid 5927] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5924] close(5 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5930] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... close resumed>) = 0 [pid 5923] close(5 [pid 5927] close(3 [pid 5925] <... write resumed>) = 262144 [pid 5928] <... clone3 resumed> => {parent_tid=[5930]}, 88) = 5930 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5923] <... close resumed>) = 0 [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 1 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] munmap(0x7f41a5370000, 138412032 [pid 5924] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] memfd_create("syzkaller", 0 [pid 5925] <... munmap resumed>) = 0 [pid 5930] <... memfd_create resumed>) = 3 [pid 5924] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 1 [pid 5921] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5924] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] exit_group(0 [pid 5920] exit_group(0 [pid 5925] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5923] <... futex resumed>) = ? [pid 5920] <... exit_group resumed>) = ? [pid 5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 5925] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5924] <... futex resumed>) = ? [pid 5923] +++ exited with 0 +++ [pid 5921] <... exit_group resumed>) = ? [pid 5924] +++ exited with 0 +++ [pid 5925] close(5 [pid 5930] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5927] <... close resumed>) = 0 [pid 5925] <... close resumed>) = 0 [pid 5921] +++ exited with 0 +++ [pid 5920] +++ exited with 0 +++ [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5927] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] exit_group(0) = ? [pid 5925] <... futex resumed>) = ? [pid 5926] <... futex resumed>) = 0 [pid 5927] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5927] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] <... futex resumed>) = 0 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5927] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5927] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5931 attached [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] +++ exited with 0 +++ [pid 5922] +++ exited with 0 +++ [pid 5931] set_robust_list(0x5555683327a0, 24 [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5931 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5931] <... set_robust_list resumed>) = 0 [pid 5931] rt_sigprocmask(SIG_SETMASK, [] [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5930] <... write resumed>) = 1048576 [pid 5926] <... futex resumed>) = 0 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5930] munmap(0x7f41a5370000, 138412032 [pid 5927] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5930] <... munmap resumed>) = 0 [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5931] setpgid(0, 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5931] <... setpgid resumed>) = 0 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5927] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5926] <... futex resumed>) = 0 [pid 5927] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5927] <... futex resumed>) = 0 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... openat resumed>) = 3 [pid 5931] write(3, "1000", 4) = 4 [pid 5931] close(3) = 0 [pid 5931] write(1, "executing program\n", 18) = 18 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5927] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5926] <... futex resumed>) = 0 executing program ci2-upstream-fs/strace-static-x86_64: Process 5932 attached [pid 5931] <... futex resumed>) = 0 [pid 5930] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5930] close(3 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5933 [pid 5932] set_robust_list(0x5555683327a0, 24 [pid 5931] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5932 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5932] rt_sigprocmask(SIG_SETMASK, [] [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5931] <... mmap resumed>) = 0x7f41ad770000 [pid 5931] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 5934 attached ci2-upstream-fs/strace-static-x86_64: Process 5933 attached [pid 5932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5934] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5931] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5934] <... rseq resumed>) = 0 [pid 5933] set_robust_list(0x5555683327a0, 24 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] rt_sigprocmask(SIG_SETMASK, [] [pid 5934] set_robust_list(0x7f41ad7909a0, 24 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] <... prctl resumed>) = 0 [pid 5931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5927] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5932] setpgid(0, 0 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] rt_sigprocmask(SIG_SETMASK, [] [pid 5931] <... futex resumed>) = 0 [pid 5934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5934] memfd_create("syzkaller", 0 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5934] <... memfd_create resumed>) = 3 [pid 5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5933] rt_sigprocmask(SIG_SETMASK, [] [pid 5932] <... setpgid resumed>) = 0 [pid 5934] <... mmap resumed>) = 0x7f41a5370000 [pid 5933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] <... close resumed>) = 0 [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] <... openat resumed>) = 3 [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5933] <... prctl resumed>) = 0 [pid 5932] write(3, "1000", 4 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5927] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] setpgid(0, 0 [pid 5932] <... write resumed>) = 4 [pid 5930] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... setpgid resumed>) = 0 [pid 5932] close(3 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5927] mkdirat(AT_FDCWD, NULL, 0777 [pid 5926] <... futex resumed>) = 0 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] <... close resumed>) = 0 [pid 5930] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] <... openat resumed>) = 3 [pid 5932] write(1, "executing program\n", 18 [pid 5930] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5933] write(3, "1000", 4 [pid 5932] <... write resumed>) = 18 [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5933] <... write resumed>) = 4 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5927] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5926] <... futex resumed>) = 0 [pid 5933] close(3 [pid 5932] <... futex resumed>) = 0 [pid 5930] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] <... openat resumed>) = 4 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5930] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... close resumed>) = 0 [pid 5932] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] write(1, "executing program\n", 18 [pid 5932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5930] <... futex resumed>) = 0 [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5927] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5933] <... write resumed>) = 18 [pid 5932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5930] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5928] <... futex resumed>) = 0 [pid 5927] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... futex resumed>) = 0 [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5930] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] <... futex resumed>) = 0 [pid 5932] <... mmap resumed>) = 0x7f41ad770000 [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5932] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5930] <... futex resumed>) = 0 [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5932] <... mprotect resumed>) = 0 [pid 5930] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5928] <... futex resumed>) = 0 [pid 5927] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5930] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5932] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... mmap resumed>) = 0x7f41ad770000 [pid 5927] openat(AT_FDCWD, NULL, O_RDWR [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... write resumed>) = 1048576 [pid 5933] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5930] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5928] <... futex resumed>) = 0 [pid 5927] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... mprotect resumed>) = 0 [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5934] munmap(0x7f41a5370000, 138412032 [pid 5927] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... munmap resumed>) = 0 [pid 5927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL) = -1 EFAULT (Bad address) [pid 5934] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5933] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5934] close(3 [pid 5927] sendfile(-1, -1, NULL, 553647746 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5927] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] <... futex resumed>) = 0 [pid 5930] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5926] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5935 attached ci2-upstream-fs/strace-static-x86_64: Process 5936 attached [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 0 [pid 5930] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5930] mkdirat(AT_FDCWD, NULL, 0777 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5932] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935 [pid 5930] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5933] <... clone3 resumed> => {parent_tid=[5936]}, 88) = 5936 [pid 5935] <... rseq resumed>) = 0 [pid 5936] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5933] rt_sigprocmask(SIG_SETMASK, [] [pid 5932] rt_sigprocmask(SIG_SETMASK, [] [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] memfd_create("syzkaller", 0 [pid 5926] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5935] set_robust_list(0x7f41ad7909a0, 24 [pid 5936] <... rseq resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5927] <... memfd_create resumed>) = 5 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5936] set_robust_list(0x7f41ad7909a0, 24 [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5935] rt_sigprocmask(SIG_SETMASK, [] [pid 5936] <... set_robust_list resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5930] <... openat resumed>) = 4 [pid 5928] <... futex resumed>) = 0 [pid 5927] <... mmap resumed>) = 0x7f41a5370000 [pid 5935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5936] rt_sigprocmask(SIG_SETMASK, [] [pid 5934] <... close resumed>) = 0 [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5935] memfd_create("syzkaller", 0 [pid 5936] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5935] <... memfd_create resumed>) = 3 [pid 5936] memfd_create("syzkaller", 0 [pid 5930] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5936] <... memfd_create resumed>) = 3 [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5935] <... mmap resumed>) = 0x7f41a5370000 [pid 5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5934] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] <... write resumed>) = 262144 [pid 5936] <... mmap resumed>) = 0x7f41a5370000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 [pid 5934] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5934] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5927] munmap(0x7f41a5370000, 138412032 [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5930] openat(AT_FDCWD, NULL, O_RDWR [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... munmap resumed>) = 0 [pid 5934] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5928] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5935] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5934] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5934] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5930] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] close(5 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5936] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5930] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5931] <... futex resumed>) = 0 [pid 5930] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] <... close resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5926] exit_group(0 [pid 5934] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 1 [pid 5930] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... exit_group resumed>) = ? [pid 5934] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5935] <... write resumed>) = 1048576 [pid 5934] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] sendfile(-1, -1, NULL, 553647746 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] munmap(0x7f41a5370000, 138412032 [pid 5930] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... munmap resumed>) = 0 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5935] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5930] memfd_create("syzkaller", 0 [pid 5928] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5928] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 [pid 5930] <... memfd_create resumed>) = 5 [pid 5928] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5927] +++ exited with 0 +++ [pid 5926] +++ exited with 0 +++ [pid 5935] close(3 [pid 5934] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5935] <... close resumed>) = 0 [pid 5936] <... write resumed>) = 1048576 [pid 5934] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5930] <... mmap resumed>) = 0x7f41a5370000 [pid 5609] <... restart_syscall resumed>) = 0 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] munmap(0x7f41a5370000, 138412032 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... munmap resumed>) = 0 [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5935] <... futex resumed>) = 1 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 0 [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5934] mkdirat(AT_FDCWD, NULL, 0777 [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5930] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5934] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5932] <... futex resumed>) = 0 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5935] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5936] close(3 [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5935] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5934] <... openat resumed>) = 4 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5935] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5930] <... write resumed>) = 262144 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5935] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5934] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] munmap(0x7f41a5370000, 138412032ci2-upstream-fs/strace-static-x86_64: Process 5937 attached [pid 5935] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5932] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... munmap resumed>) = 0 [pid 5937] set_robust_list(0x5555683327a0, 24 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5937 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5935] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5937] rt_sigprocmask(SIG_SETMASK, [] [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... close resumed>) = 0 [pid 5934] openat(AT_FDCWD, NULL, O_RDWR [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5934] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5931] <... futex resumed>) = 0 [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5935] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] close(5 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... prctl resumed>) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5934] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... setpgid resumed>) = 0 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5934] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5932] <... futex resumed>) = 0 [pid 5935] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... close resumed>) = 0 [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 1 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5934] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] <... futex resumed>) = 0 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] sendfile(-1, -1, NULL, 553647746 [pid 5933] <... futex resumed>) = 0 [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... openat resumed>) = 3 [pid 5936] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5934] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5937] write(3, "1000", 4 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] exit_group(0 [pid 5937] <... write resumed>) = 4 [pid 5935] <... futex resumed>) = 1 [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = ? [pid 5928] <... exit_group resumed>) = ? [pid 5937] close(3 [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... futex resumed>) = 1 [pid 5934] memfd_create("syzkaller", 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] <... memfd_create resumed>) = 5 [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5937] <... close resumed>) = 0 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5937] write(1, "executing program\n", 18 [pid 5935] mkdirat(AT_FDCWD, NULL, 0777 [pid 5936] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] <... mmap resumed>) = 0x7f41a5370000 executing program [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... write resumed>) = 18 [pid 5935] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] <... futex resumed>) = 0 [pid 5930] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5937] <... futex resumed>) = 0 [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5936] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5935] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5935] <... openat resumed>) = 4 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] <... restart_syscall resumed>) = 0 [pid 5937] <... mmap resumed>) = 0x7f41ad770000 [pid 5935] <... futex resumed>) = 1 [pid 5936] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 0 [pid 5937] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5934] <... write resumed>) = 262144 [pid 5933] <... futex resumed>) = 0 [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... mprotect resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5935] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24) = -1 EINVAL (Invalid argument) [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] munmap(0x7f41a5370000, 138412032 [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5937] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5934] <... munmap resumed>) = 0 [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5935] openat(AT_FDCWD, NULL, O_RDWR [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 0 [pid 5935] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5933] <... futex resumed>) = 0 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] mkdirat(AT_FDCWD, NULL, 0777 [pid 5934] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5936] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5934] close(5 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5938 attached [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5937] <... clone3 resumed> => {parent_tid=[5938]}, 88) = 5938 [pid 5934] <... close resumed>) = 0 [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... rseq resumed>) = 0 [pid 5937] rt_sigprocmask(SIG_SETMASK, [] [pid 5935] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 1 ci2-upstream-fs/strace-static-x86_64: Process 5939 attached [pid 5935] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5936] <... futex resumed>) = 1 [pid 5934] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] set_robust_list(0x7f41ad7909a0, 24 [pid 5933] <... futex resumed>) = 0 [pid 5937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] set_robust_list(0x5555683327a0, 24 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] <... futex resumed>) = 1 [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] rt_sigprocmask(SIG_SETMASK, [] [pid 5937] <... futex resumed>) = 0 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] <... futex resumed>) = 0 [pid 5931] exit_group(0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5939 [pid 5939] rt_sigprocmask(SIG_SETMASK, [] [pid 5938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5935] <... futex resumed>) = 1 [pid 5936] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5934] <... futex resumed>) = ? [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] <... futex resumed>) = 0 [pid 5931] <... exit_group resumed>) = ? [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5939] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5938] memfd_create("syzkaller", 0 [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... openat resumed>) = 4 [pid 5934] +++ exited with 0 +++ [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... prctl resumed>) = 0 [pid 5938] <... memfd_create resumed>) = 3 [pid 5935] sendfile(-1, -1, NULL, 553647746 [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5939] setpgid(0, 0 [pid 5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5935] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... setpgid resumed>) = 0 [pid 5938] <... mmap resumed>) = 0x7f41a5370000 [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] +++ exited with 0 +++ [pid 5935] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... futex resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5935] memfd_create("syzkaller", 0 [pid 5936] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] <... futex resumed>) = 0 [pid 5935] <... memfd_create resumed>) = 5 [pid 5936] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5932] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... openat resumed>) = 3 [pid 5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5936] openat(AT_FDCWD, NULL, O_RDWR [pid 5933] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5939] write(3, "1000", 4 [pid 5935] <... mmap resumed>) = 0x7f41a5370000 [pid 5936] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... futex resumed>) = 0 [pid 5936] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] sendfile(-1, -1, NULL, 553647746 [pid 5933] <... futex resumed>) = 0 [pid 5936] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... futex resumed>) = 0 [pid 5936] memfd_create("syzkaller", 0 [pid 5933] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... memfd_create resumed>) = 5 [pid 5933] <... futex resumed>) = 0 [pid 5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5933] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5936] <... mmap resumed>) = 0x7f41a5370000 [pid 5939] <... write resumed>) = 4 [pid 5935] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5936] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5939] close(3 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5939] <... close resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5939] write(1, "executing program\n", 18) = 18 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 executing program [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5939] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 5940 attached [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5940 [pid 5940] set_robust_list(0x5555683327a0, 24 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5940] <... set_robust_list resumed>) = 0 [pid 5939] <... clone3 resumed> => {parent_tid=[5941]}, 88) = 5941 [pid 5938] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576ci2-upstream-fs/strace-static-x86_64: Process 5941 attached [pid 5940] rt_sigprocmask(SIG_SETMASK, [] [pid 5939] rt_sigprocmask(SIG_SETMASK, [] [pid 5935] <... write resumed>) = 262144 [pid 5936] <... write resumed>) = 262144 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5940] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5939] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5941] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... rseq resumed>) = 0 [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5939] <... futex resumed>) = 0 [pid 5935] munmap(0x7f41a5370000, 138412032 [pid 5941] set_robust_list(0x7f41ad7909a0, 24 [pid 5940] <... prctl resumed>) = 0 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5936] munmap(0x7f41a5370000, 138412032 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] setpgid(0, 0 [pid 5935] <... munmap resumed>) = 0 [pid 5936] <... munmap resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_SETMASK, [] [pid 5940] <... setpgid resumed>) = 0 [pid 5935] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5936] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5941] memfd_create("syzkaller", 0 [pid 5940] <... openat resumed>) = 3 [pid 5935] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] close(5 [pid 5941] <... memfd_create resumed>) = 3 [pid 5935] close(5 [pid 5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5940] write(3, "1000", 4) = 4 [pid 5940] close(3) = 0 [pid 5940] write(1, "executing program\n", 18) = 18 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5940] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5941] <... mmap resumed>) = 0x7f41a5370000 [pid 5940] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5936] <... close resumed>) = 0 [pid 5940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5936] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5936] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5940] <... mprotect resumed>) = 0 [pid 5936] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 5933] exit_group(0 [pid 5940] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5936] <... futex resumed>) = ? [pid 5933] <... exit_group resumed>) = ? [pid 5935] <... close resumed>) = 0 [pid 5936] +++ exited with 0 +++ [pid 5940] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 5942 attached [pid 5935] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5942] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5940] <... clone3 resumed> => {parent_tid=[5942]}, 88) = 5942 [pid 5935] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] exit_group(0 [pid 5942] <... rseq resumed>) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [] [pid 5935] <... futex resumed>) = ? [pid 5933] +++ exited with 0 +++ [pid 5932] <... exit_group resumed>) = ? [pid 5942] set_robust_list(0x7f41ad7909a0, 24 [pid 5940] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5942] <... set_robust_list resumed>) = 0 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5942] rt_sigprocmask(SIG_SETMASK, [] [pid 5940] <... futex resumed>) = 0 [pid 5942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5942] memfd_create("syzkaller", 0 [pid 5935] +++ exited with 0 +++ [pid 5942] <... memfd_create resumed>) = 3 [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 5601] <... restart_syscall resumed>) = 0 [pid 5941] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5932] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5943 attached [pid 5938] <... write resumed>) = 1048576 [pid 5943] set_robust_list(0x5555683327a0, 24) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [] [pid 5938] munmap(0x7f41a5370000, 138412032 [pid 5943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5943 [pid 5943] setpgid(0, 0 [pid 5938] <... munmap resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5943] <... setpgid resumed>) = 0 [pid 5938] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5938] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] close(3 [pid 5943] <... openat resumed>) = 3 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5943] write(3, "1000", 4 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5943] <... write resumed>) = 4 [pid 5943] close(3) = 0 [pid 5942] <... write resumed>) = 1048576 [pid 5941] <... write resumed>) = 1048576 [pid 5938] <... close resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 5943] write(1, "executing program\n", 18) = 18 [pid 5942] munmap(0x7f41a5370000, 138412032 [pid 5941] munmap(0x7f41a5370000, 138412032 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... munmap resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5943] <... futex resumed>) = 0 [pid 5943] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 5942] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5942] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5941] <... munmap resumed>) = 0 [pid 5943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5942] close(3ci2-upstream-fs/strace-static-x86_64: Process 5944 attached [pid 5943] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5941] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5944 [pid 5943] <... mprotect resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5941] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5944] set_robust_list(0x5555683327a0, 24 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5943] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5941] close(3 [pid 5938] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5938] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5944] rt_sigprocmask(SIG_SETMASK, [] [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5945 attached [pid 5944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5945] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5943] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5942] <... close resumed>) = 0 [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... rseq resumed>) = 0 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] rt_sigprocmask(SIG_SETMASK, [] [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5937] <... futex resumed>) = 0 [pid 5945] set_robust_list(0x7f41ad7909a0, 24 [pid 5944] <... prctl resumed>) = 0 [pid 5943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5938] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] setpgid(0, 0 [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] rt_sigprocmask(SIG_SETMASK, [] [pid 5943] <... futex resumed>) = 0 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5942] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5945] memfd_create("syzkaller", 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... memfd_create resumed>) = 3 [pid 5944] <... openat resumed>) = 3 [pid 5942] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5938] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5938] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... futex resumed>) = 0 [pid 5945] <... mmap resumed>) = 0x7f41a5370000 [pid 5944] write(3, "1000", 4 [pid 5942] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] <... close resumed>) = 0 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... write resumed>) = 4 [pid 5942] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] close(3 [pid 5942] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5941] <... futex resumed>) = 1 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... futex resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] write(1, "executing program\n", 18 [pid 5942] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5938] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] <... write resumed>) = 18 executing program [pid 5942] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5941] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5940] <... futex resumed>) = 0 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] <... futex resumed>) = 0 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5944] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5942] <... futex resumed>) = 0 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5941] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5938] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5941] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] <... mmap resumed>) = 0x7f41ad770000 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... futex resumed>) = 0 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5942] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5938] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5944] <... mprotect resumed>) = 0 [pid 5942] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5941] <... futex resumed>) = 1 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5941] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5944] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5941] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5946 attached [pid 5942] <... futex resumed>) = 1 [pid 5941] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5940] <... futex resumed>) = 0 [pid 5938] mkdirat(AT_FDCWD, NULL, 0777 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5944] <... clone3 resumed> => {parent_tid=[5946]}, 88) = 5946 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5942] mkdirat(AT_FDCWD, NULL, 0777 [pid 5941] <... futex resumed>) = 1 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5946] <... rseq resumed>) = 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [] [pid 5946] set_robust_list(0x7f41ad7909a0, 24 [pid 5945] <... write resumed>) = 1048576 [pid 5944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5942] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5941] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... futex resumed>) = 0 [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5945] munmap(0x7f41a5370000, 138412032 [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5946] rt_sigprocmask(SIG_SETMASK, [] [pid 5944] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 0 [pid 5941] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5945] <... munmap resumed>) = 0 [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5942] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] memfd_create("syzkaller", 0 [pid 5945] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... memfd_create resumed>) = 3 [pid 5945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5942] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5941] <... futex resumed>) = 0 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... openat resumed>) = 4 [pid 5937] <... futex resumed>) = 0 [pid 5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5945] close(3 [pid 5942] <... openat resumed>) = 4 [pid 5941] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... mmap resumed>) = 0x7f41a5370000 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5941] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5941] mkdirat(AT_FDCWD, NULL, 0777 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5938] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5941] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5942] openat(AT_FDCWD, NULL, O_RDWR [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... write resumed>) = 1048576 [pid 5945] <... close resumed>) = 0 [pid 5942] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5941] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5946] munmap(0x7f41a5370000, 138412032 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... munmap resumed>) = 0 [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5945] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5941] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... futex resumed>) = 0 [pid 5946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5945] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5943] <... futex resumed>) = 0 [pid 5942] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5941] <... openat resumed>) = 4 [pid 5940] <... futex resumed>) = 0 [pid 5938] openat(AT_FDCWD, NULL, O_RDWR [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] close(3 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5945] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] <... futex resumed>) = 1 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = 0 [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5945] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] sendfile(-1, -1, NULL, 553647746 [pid 5941] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5942] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... futex resumed>) = 0 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5938] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] memfd_create("syzkaller", 0 [pid 5940] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5942] <... memfd_create resumed>) = 5 [pid 5940] <... futex resumed>) = 0 [pid 5945] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] <... futex resumed>) = 1 [pid 5940] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5938] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5945] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... mmap resumed>) = 0x7f41a5370000 [pid 5941] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5941] openat(AT_FDCWD, NULL, O_RDWR [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] sendfile(-1, -1, NULL, 553647746 [pid 5941] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5938] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5942] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5939] <... futex resumed>) = 0 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... close resumed>) = 0 [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 0 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5941] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 1 [pid 5945] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... futex resumed>) = 0 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5938] memfd_create("syzkaller", 0 [pid 5937] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5942] <... write resumed>) = 262144 [pid 5941] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... memfd_create resumed>) = 5 [pid 5946] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5945] <... futex resumed>) = 1 [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5942] munmap(0x7f41a5370000, 138412032 [pid 5941] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5946] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5942] <... munmap resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5938] <... mmap resumed>) = 0x7f41a5370000 [pid 5946] <... futex resumed>) = 1 [pid 5945] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5941] <... futex resumed>) = 1 [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5942] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5941] sendfile(-1, -1, NULL, 553647746 [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5938] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5941] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] close(5 [pid 5941] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5946] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] memfd_create("syzkaller", 0 [pid 5939] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5945] mkdirat(AT_FDCWD, NULL, 0777 [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... close resumed>) = 0 [pid 5938] <... write resumed>) = 262144 [pid 5939] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5946] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5941] <... memfd_create resumed>) = 5 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5946] <... futex resumed>) = 1 [pid 5945] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5938] munmap(0x7f41a5370000, 138412032 [pid 5941] <... mmap resumed>) = 0x7f41a5370000 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] exit_group(0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5946] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5945] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... futex resumed>) = ? [pid 5940] <... exit_group resumed>) = ? [pid 5946] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... openat resumed>) = 4 [pid 5942] +++ exited with 0 +++ [pid 5938] <... munmap resumed>) = 0 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5938] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5946] <... futex resumed>) = 1 [pid 5945] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5940] +++ exited with 0 +++ [pid 5938] close(5 [pid 5946] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5945] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5945] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5945] openat(AT_FDCWD, NULL, O_RDWR [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5945] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... restart_syscall resumed>) = 0 [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5943] <... futex resumed>) = 0 [pid 5945] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] <... write resumed>) = 262144 [pid 5938] <... close resumed>) = 0 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] munmap(0x7f41a5370000, 138412032 [pid 5945] <... futex resumed>) = 0 [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] sendfile(-1, -1, NULL, 553647746 [pid 5943] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5945] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] <... munmap resumed>) = 0 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5938] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] exit_group(0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5946] mkdirat(AT_FDCWD, NULL, 0777 [pid 5945] <... futex resumed>) = 0 [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] <... futex resumed>) = ? [pid 5937] <... exit_group resumed>) = ? [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5946] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5945] memfd_create("syzkaller", 0 [pid 5943] <... futex resumed>) = 0 [pid 5945] <... memfd_create resumed>) = 5 [pid 5943] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] close(5 [pid 5938] +++ exited with 0 +++ [pid 5945] <... mmap resumed>) = 0x7f41a5370000 [pid 5946] <... futex resumed>) = 1 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5947 attached [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... close resumed>) = 0 [pid 5937] +++ exited with 0 +++ [pid 5947] set_robust_list(0x5555683327a0, 24 [pid 5946] <... futex resumed>) = 0 [pid 5945] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5944] <... futex resumed>) = 1 [pid 5941] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5947 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5947] rt_sigprocmask(SIG_SETMASK, [] [pid 5939] exit_group(0 [pid 5947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5946] <... openat resumed>) = 4 [pid 5945] <... write resumed>) = 262144 [pid 5939] <... exit_group resumed>) = ? [pid 5609] <... restart_syscall resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] munmap(0x7f41a5370000, 138412032 [pid 5947] <... prctl resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5945] <... munmap resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5945] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5947] setpgid(0, 0 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5947] <... setpgid resumed>) = 0 [pid 5945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5946] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5945] close(5 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5947] <... openat resumed>) = 3 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] write(3, "1000", 4 [pid 5945] <... close resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5946] <... futex resumed>) = 1 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5944] <... futex resumed>) = 0 [pid 5947] <... write resumed>) = 4 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5947] close(3 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5947] <... close resumed>) = 0 [pid 5946] openat(AT_FDCWD, NULL, O_RDWR [pid 5945] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] exit_group(0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5948 attached [pid 5947] write(1, "executing program\n", 18 [pid 5946] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5945] <... futex resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5948] set_robust_list(0x5555683327a0, 24 [pid 5947] <... write resumed>) = 18 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5948 executing program [pid 5948] <... set_robust_list resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5948] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5949 attached [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5945] +++ exited with 0 +++ [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] +++ exited with 0 +++ [pid 5948] setpgid(0, 0 [pid 5946] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5944] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5949 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] set_robust_list(0x5555683327a0, 24 [pid 5947] <... futex resumed>) = 0 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5949] <... set_robust_list resumed>) = 0 [pid 5948] <... setpgid resumed>) = 0 [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5946] <... futex resumed>) = 0 [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5949] rt_sigprocmask(SIG_SETMASK, [] [pid 5947] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5946] sendfile(-1, -1, NULL, 553647746 [pid 5944] <... futex resumed>) = 0 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5946] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5949] <... prctl resumed>) = 0 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5948] <... openat resumed>) = 3 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5949] setpgid(0, 0 [pid 5947] <... mmap resumed>) = 0x7f41ad770000 [pid 5946] <... futex resumed>) = 0 [pid 5944] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... setpgid resumed>) = 0 [pid 5947] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] write(3, "1000", 4 [pid 5947] <... mprotect resumed>) = 0 [pid 5946] memfd_create("syzkaller", 0 [pid 5944] <... futex resumed>) = 0 [pid 5948] <... write resumed>) = 4 [pid 5944] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5949] <... openat resumed>) = 3 [pid 5948] close(3 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5946] <... memfd_create resumed>) = 5 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5949] write(3, "1000", 4 [pid 5948] <... close resumed>) = 0 [pid 5947] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5949] <... write resumed>) = 4 [pid 5948] write(1, "executing program\n", 18 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} executing program [pid 5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 5951 attached ci2-upstream-fs/strace-static-x86_64: Process 5950 attached [pid 5949] close(3 [pid 5948] <... write resumed>) = 18 [pid 5946] <... mmap resumed>) = 0x7f41a5370000 [pid 5951] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5950] set_robust_list(0x5555683327a0, 24 [pid 5949] <... close resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951 [pid 5951] <... rseq resumed>) = 0 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] write(1, "executing program\n", 18 [pid 5948] <... futex resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5950 executing program [pid 5951] set_robust_list(0x7f41ad7909a0, 24 [pid 5949] <... write resumed>) = 18 [pid 5948] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5950] rt_sigprocmask(SIG_SETMASK, [] [pid 5947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5946] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5951] <... set_robust_list resumed>) = 0 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5951] rt_sigprocmask(SIG_SETMASK, [] [pid 5950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5948] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5949] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5950] <... prctl resumed>) = 0 [pid 5951] memfd_create("syzkaller", 0 [pid 5950] setpgid(0, 0 [pid 5949] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5948] <... mprotect resumed>) = 0 [pid 5950] <... setpgid resumed>) = 0 [pid 5949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5948] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5951] <... memfd_create resumed>) = 3 [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5950] <... openat resumed>) = 3 ci2-upstream-fs/strace-static-x86_64: Process 5952 attached [pid 5949] <... mmap resumed>) = 0x7f41ad770000 [pid 5952] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5951] <... mmap resumed>) = 0x7f41a5370000 [pid 5952] <... rseq resumed>) = 0 [pid 5948] <... clone3 resumed> => {parent_tid=[5952]}, 88) = 5952 [pid 5952] set_robust_list(0x7f41ad7909a0, 24 [pid 5948] rt_sigprocmask(SIG_SETMASK, [] [pid 5952] <... set_robust_list resumed>) = 0 [pid 5949] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [] [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5952] memfd_create("syzkaller", 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5952] <... memfd_create resumed>) = 3 [pid 5951] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5950] write(3, "1000", 4 [pid 5949] <... mprotect resumed>) = 0 [pid 5946] <... write resumed>) = 262144 [pid 5952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5949] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5946] munmap(0x7f41a5370000, 138412032 [pid 5952] <... mmap resumed>) = 0x7f41a5370000 [pid 5950] <... write resumed>) = 4 [pid 5949] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5946] <... munmap resumed>) = 0 [pid 5950] close(3 [pid 5949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5946] openat(AT_FDCWD, "/dev/loop3", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 5953 attached [pid 5950] <... close resumed>) = 0 [pid 5946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5953] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5950] write(1, "executing program\n", 18 [pid 5949] <... clone3 resumed> => {parent_tid=[5953]}, 88) = 5953 executing program [pid 5946] close(5 [pid 5953] <... rseq resumed>) = 0 [pid 5950] <... write resumed>) = 18 [pid 5953] set_robust_list(0x7f41ad7909a0, 24 [pid 5949] rt_sigprocmask(SIG_SETMASK, [] [pid 5953] <... set_robust_list resumed>) = 0 [pid 5949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5953] rt_sigprocmask(SIG_SETMASK, [] [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... close resumed>) = 0 [pid 5950] <... futex resumed>) = 0 [pid 5953] memfd_create("syzkaller", 0 [pid 5950] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5949] <... futex resumed>) = 0 [pid 5953] <... memfd_create resumed>) = 3 [pid 5952] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5950] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5946] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5946] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5946] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] exit_group(0 [pid 5953] <... mmap resumed>) = 0x7f41a5370000 [pid 5950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5946] <... futex resumed>) = ? [pid 5951] <... write resumed>) = 1048576 [pid 5944] <... exit_group resumed>) = ? [pid 5950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5951] munmap(0x7f41a5370000, 138412032 [pid 5950] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5951] <... munmap resumed>) = 0 [pid 5950] <... mprotect resumed>) = 0 [pid 5951] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5952] <... write resumed>) = 1048576 [pid 5950] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5946] +++ exited with 0 +++ [pid 5944] +++ exited with 0 +++ [pid 5950] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5952] munmap(0x7f41a5370000, 138412032 [pid 5951] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 5954 attached [pid 5951] close(3 [pid 5954] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5952] <... munmap resumed>) = 0 [pid 5950] <... clone3 resumed> => {parent_tid=[5954]}, 88) = 5954 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5954] <... rseq resumed>) = 0 [pid 5953] <... write resumed>) = 1048576 [pid 5952] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5951] <... close resumed>) = 0 [pid 5950] rt_sigprocmask(SIG_SETMASK, [] [pid 5954] set_robust_list(0x7f41ad7909a0, 24 [pid 5953] munmap(0x7f41a5370000, 138412032 [pid 5952] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5954] <... set_robust_list resumed>) = 0 [pid 5952] close(3 [pid 5951] <... futex resumed>) = 1 [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5954] rt_sigprocmask(SIG_SETMASK, [] [pid 5953] <... munmap resumed>) = 0 [pid 5950] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5954] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5953] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5951] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5947] <... futex resumed>) = 0 [pid 5954] memfd_create("syzkaller", 0 [pid 5953] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] <... memfd_create resumed>) = 3 [pid 5953] close(3 [pid 5952] <... close resumed>) = 0 [pid 5951] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... mmap resumed>) = 0x7f41a5370000 [pid 5952] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 1 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5952] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5951] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5952] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5955 attached [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... futex resumed>) = 0 [pid 5951] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] set_robust_list(0x5555683327a0, 24 [pid 5951] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5955 [pid 5955] <... set_robust_list resumed>) = 0 [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5955] rt_sigprocmask(SIG_SETMASK, [] [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5952] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5951] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... prctl resumed>) = 0 [pid 5954] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5951] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] setpgid(0, 0 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... setpgid resumed>) = 0 [pid 5953] <... close resumed>) = 0 [pid 5952] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5951] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] <... futex resumed>) = 0 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... openat resumed>) = 3 [pid 5953] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5955] write(3, "1000", 4 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... futex resumed>) = 1 [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... write resumed>) = 4 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5955] close(3 [pid 5953] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... close resumed>) = 0 [pid 5953] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5952] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5951] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] write(1, "executing program\n", 18 [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... write resumed>) = 18 [pid 5953] <... futex resumed>) = 1 [pid 5952] <... mmap resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5949] <... futex resumed>) = 0 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5955] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5953] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... futex resumed>) = 1 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5955] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5954] <... write resumed>) = 1048576 [pid 5953] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... futex resumed>) = 0 [pid 5955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5954] munmap(0x7f41a5370000, 138412032 [pid 5953] <... futex resumed>) = 1 [pid 5952] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5951] mkdirat(AT_FDCWD, NULL, 0777 [pid 5949] <... futex resumed>) = 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... munmap resumed>) = 0 [pid 5951] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... mmap resumed>) = 0x7f41ad770000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5952] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5955] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5954] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5953] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... mprotect resumed>) = 0 [pid 5954] close(3 [pid 5953] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... openat resumed>) = 4 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5955] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] mkdirat(AT_FDCWD, NULL, 0777 [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5952] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5951] <... futex resumed>) = 1 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5956 attached [pid 5953] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5955] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = 1 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5956] <... rseq resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [] [pid 5954] <... close resumed>) = 0 [pid 5953] <... futex resumed>) = 1 [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] set_robust_list(0x7f41ad7909a0, 24 [pid 5955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5951] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] rt_sigprocmask(SIG_SETMASK, [] [pid 5955] <... futex resumed>) = 0 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5952] <... openat resumed>) = 4 [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = 1 [pid 5954] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5952] <... futex resumed>) = 1 [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] <... futex resumed>) = 0 [pid 5954] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5956] memfd_create("syzkaller", 0 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... futex resumed>) = 0 [pid 5956] <... memfd_create resumed>) = 3 [pid 5954] <... futex resumed>) = 0 [pid 5952] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5952] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5951] <... futex resumed>) = 0 [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 1 [pid 5956] <... mmap resumed>) = 0x7f41a5370000 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] openat(AT_FDCWD, NULL, O_RDWR [pid 5950] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5953] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 1 [pid 5951] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5954] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5953] mkdirat(AT_FDCWD, NULL, 0777 [pid 5952] openat(AT_FDCWD, NULL, O_RDWR [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5952] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5950] <... futex resumed>) = 0 [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = 1 [pid 5951] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... futex resumed>) = 0 [pid 5954] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... futex resumed>) = 1 [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... futex resumed>) = 1 [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5953] <... openat resumed>) = 4 [pid 5952] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... futex resumed>) = 0 [pid 5956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] <... futex resumed>) = 0 [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] sendfile(-1, -1, NULL, 553647746 [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... futex resumed>) = 1 [pid 5951] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... futex resumed>) = 0 [pid 5954] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... futex resumed>) = 1 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5952] sendfile(-1, -1, NULL, 553647746 [pid 5951] memfd_create("syzkaller", 0 [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5951] <... memfd_create resumed>) = 5 [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5954] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5953] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5952] <... futex resumed>) = 1 [pid 5951] <... mmap resumed>) = 0x7f41a5370000 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... futex resumed>) = 0 [pid 5953] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... write resumed>) = 1048576 [pid 5954] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5948] <... futex resumed>) = 0 [pid 5956] munmap(0x7f41a5370000, 138412032 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = 1 [pid 5952] memfd_create("syzkaller", 0 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] <... munmap resumed>) = 0 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... memfd_create resumed>) = 5 [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] openat(AT_FDCWD, NULL, O_RDWR [pid 5952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5952] <... mmap resumed>) = 0x7f41a5370000 [pid 5951] <... write resumed>) = 262144 [pid 5950] <... futex resumed>) = 0 [pid 5956] close(3 [pid 5954] mkdirat(AT_FDCWD, NULL, 0777 [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5951] munmap(0x7f41a5370000, 138412032 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... munmap resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5952] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5951] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5953] <... futex resumed>) = 1 [pid 5951] close(5 [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5954] <... openat resumed>) = 4 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... futex resumed>) = 0 [pid 5953] sendfile(-1, -1, NULL, 553647746 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] <... close resumed>) = 0 [pid 5954] <... futex resumed>) = 0 [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... write resumed>) = 262144 [pid 5950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... futex resumed>) = 1 [pid 5951] <... close resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5956] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5953] memfd_create("syzkaller", 0 [pid 5952] munmap(0x7f41a5370000, 138412032 [pid 5951] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5954] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5953] <... memfd_create resumed>) = 5 [pid 5952] <... munmap resumed>) = 0 [pid 5951] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5956] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5951] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] exit_group(0 [pid 5952] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5956] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5954] <... futex resumed>) = 1 [pid 5953] <... mmap resumed>) = 0x7f41a5370000 [pid 5952] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5951] <... futex resumed>) = ? [pid 5950] <... futex resumed>) = 0 [pid 5947] <... exit_group resumed>) = ? [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] close(5 [pid 5951] +++ exited with 0 +++ [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5953] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5956] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5954] openat(AT_FDCWD, NULL, O_RDWR [pid 5953] <... write resumed>) = 262144 [pid 5952] <... close resumed>) = 0 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] +++ exited with 0 +++ [pid 5956] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5953] munmap(0x7f41a5370000, 138412032 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5956] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 1 [pid 5953] <... munmap resumed>) = 0 [pid 5952] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5952] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] exit_group(0 [pid 5956] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5952] <... futex resumed>) = ? [pid 5950] <... futex resumed>) = 0 [pid 5948] <... exit_group resumed>) = ? [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5956] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5955] <... futex resumed>) = 0 [pid 5954] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5953] close(5 [pid 5952] +++ exited with 0 +++ [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5956] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] sendfile(-1, -1, NULL, 553647746 [pid 5950] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5954] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = 0 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5956] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5948] +++ exited with 0 +++ [pid 5956] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... futex resumed>) = 1 [pid 5950] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5956] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] memfd_create("syzkaller", 0 [pid 5950] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5949] exit_group(0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-upstream-fs/strace-static-x86_64: Process 5957 attached [pid 5954] <... memfd_create resumed>) = 5 [pid 5609] <... restart_syscall resumed>) = 0 [pid 5957] set_robust_list(0x5555683327a0, 24 [pid 5954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5949] <... exit_group resumed>) = ? [pid 5953] <... futex resumed>) = ? [pid 5957] <... set_robust_list resumed>) = 0 [pid 5954] <... mmap resumed>) = 0x7f41a5370000 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5954] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5953] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5957 [pid 5957] <... prctl resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] setpgid(0, 0 [pid 5955] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5957] <... setpgid resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5956] mkdirat(AT_FDCWD, NULL, 0777 [pid 5955] <... futex resumed>) = 0 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] <... write resumed>) = 262144 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5954] munmap(0x7f41a5370000, 138412032ci2-upstream-fs/strace-static-x86_64: Process 5958 attached [pid 5957] <... openat resumed>) = 3 [pid 5956] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5958] set_robust_list(0x5555683327a0, 24 [pid 5957] write(3, "1000", 4 [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... munmap resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5958 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] <... write resumed>) = 4 [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5956] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5958] rt_sigprocmask(SIG_SETMASK, [] [pid 5957] close(3 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5954] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5957] <... close resumed>) = 0 [pid 5956] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] write(1, "executing program\n", 18 [pid 5958] <... prctl resumed>) = 0 [pid 5957] <... write resumed>) = 18 [pid 5956] <... openat resumed>) = 4 executing program [pid 5954] close(5 [pid 5958] setpgid(0, 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... setpgid resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5956] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5959 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 5959 attached [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5956] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5959] set_robust_list(0x5555683327a0, 24 [pid 5958] <... openat resumed>) = 3 [pid 5957] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5954] <... close resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5954] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] write(3, "1000", 4 [pid 5957] <... mmap resumed>) = 0x7f41ad770000 [pid 5956] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5954] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_SETMASK, [] [pid 5958] <... write resumed>) = 4 [pid 5957] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] exit_group(0 [pid 5959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5958] close(3 [pid 5957] <... mprotect resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] <... close resumed>) = 0 [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] openat(AT_FDCWD, NULL, O_RDWR [pid 5954] <... futex resumed>) = ? [pid 5950] <... exit_group resumed>) = ? [pid 5959] <... prctl resumed>) = 0 [pid 5958] write(1, "executing program\n", 18 [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5956] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5955] <... futex resumed>) = 0 [pid 5954] +++ exited with 0 +++ [pid 5959] setpgid(0, 0 executing program [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... setpgid resumed>) = 0 [pid 5958] <... write resumed>) = 18 [pid 5957] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5950] +++ exited with 0 +++ ci2-upstream-fs/strace-static-x86_64: Process 5960 attached [pid 5959] <... openat resumed>) = 3 [pid 5958] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5960] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5959] write(3, "1000", 4 [pid 5957] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960 [pid 5956] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5955] <... futex resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5960] <... rseq resumed>) = 0 [pid 5959] <... write resumed>) = 4 [pid 5958] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [] [pid 5956] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] set_robust_list(0x7f41ad7909a0, 24 [pid 5959] close(3 [pid 5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] <... close resumed>) = 0 [pid 5958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 0 [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] rt_sigprocmask(SIG_SETMASK, [] [pid 5959] write(1, "executing program\n", 18 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5957] <... futex resumed>) = 0 [pid 5956] sendfile(-1, -1, NULL, 553647746 executing program [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5959] <... write resumed>) = 18 [pid 5956] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] memfd_create("syzkaller", 0 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... mmap resumed>) = 0x7f41ad770000 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5960] <... memfd_create resumed>) = 3 [pid 5959] <... futex resumed>) = 0 [pid 5958] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5956] <... futex resumed>) = 0 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5959] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5958] <... mprotect resumed>) = 0 [pid 5956] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5960] <... mmap resumed>) = 0x7f41a5370000 [pid 5959] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5958] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5955] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5955] <... futex resumed>) = 1 [pid 5959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5958] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5955] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] memfd_create("syzkaller", 0 [pid 5959] <... mmap resumed>) = 0x7f41ad770000 [pid 5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5956] <... memfd_create resumed>) = 5 ci2-upstream-fs/strace-static-x86_64: Process 5962 attached ci2-upstream-fs/strace-static-x86_64: Process 5961 attached [pid 5959] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5962] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5961] set_robust_list(0x5555683327a0, 24 [pid 5959] <... mprotect resumed>) = 0 [pid 5958] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962 [pid 5956] <... mmap resumed>) = 0x7f41a5370000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5961 [pid 5962] <... rseq resumed>) = 0 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5958] rt_sigprocmask(SIG_SETMASK, [] [pid 5962] set_robust_list(0x7f41ad7909a0, 24 [pid 5958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5962] <... set_robust_list resumed>) = 0 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [] [pid 5958] <... futex resumed>) = 0 [pid 5962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5962] memfd_create("syzkaller", 0 [pid 5959] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5962] <... memfd_create resumed>) = 3 [pid 5961] rt_sigprocmask(SIG_SETMASK, [] [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 5959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5961] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5963 attached [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5961] <... prctl resumed>) = 0 [pid 5959] <... clone3 resumed> => {parent_tid=[5963]}, 88) = 5963 [pid 5961] setpgid(0, 0 [pid 5963] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5961] <... setpgid resumed>) = 0 [pid 5960] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5963] set_robust_list(0x7f41ad7909a0, 24 [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] <... set_robust_list resumed>) = 0 [pid 5963] rt_sigprocmask(SIG_SETMASK, [] [pid 5959] rt_sigprocmask(SIG_SETMASK, [] [pid 5961] <... openat resumed>) = 3 [pid 5959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5961] write(3, "1000", 4 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... write resumed>) = 4 [pid 5963] <... futex resumed>) = 0 [pid 5961] close(3 [pid 5959] <... futex resumed>) = 1 [pid 5963] memfd_create("syzkaller", 0 [pid 5961] <... close resumed>) = 0 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5961] write(1, "executing program\n", 18) = 18 [pid 5956] <... write resumed>) = 262144 executing program [pid 5963] <... memfd_create resumed>) = 3 [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] munmap(0x7f41a5370000, 138412032 [pid 5961] <... futex resumed>) = 0 [pid 5961] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5956] <... munmap resumed>) = 0 [pid 5961] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5956] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5956] close(5 [pid 5961] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5956] <... close resumed>) = 0 [pid 5961] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5956] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5955] exit_group(0ci2-upstream-fs/strace-static-x86_64: Process 5964 attached ) = ? [pid 5964] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5961] <... clone3 resumed> => {parent_tid=[5964]}, 88) = 5964 [pid 5961] rt_sigprocmask(SIG_SETMASK, [] [pid 5964] <... rseq resumed>) = 0 [pid 5963] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5956] +++ exited with 0 +++ [pid 5964] set_robust_list(0x7f41ad7909a0, 24 [pid 5962] <... write resumed>) = 1048576 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... write resumed>) = 1048576 [pid 5955] +++ exited with 0 +++ [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] <... write resumed>) = 1048576 [pid 5962] munmap(0x7f41a5370000, 138412032 [pid 5961] <... futex resumed>) = 0 [pid 5960] munmap(0x7f41a5370000, 138412032 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5964] rt_sigprocmask(SIG_SETMASK, [] [pid 5963] munmap(0x7f41a5370000, 138412032 [pid 5962] <... munmap resumed>) = 0 [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5963] <... munmap resumed>) = 0 [pid 5962] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5960] <... munmap resumed>) = 0 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5964] memfd_create("syzkaller", 0 [pid 5960] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5605] <... restart_syscall resumed>) = 0 [pid 5964] <... memfd_create resumed>) = 3 [pid 5963] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5963] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5960] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5963] close(3 [pid 5962] close(3 [pid 5964] <... mmap resumed>) = 0x7f41a5370000 [pid 5960] close(3 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5965 attached [pid 5965] set_robust_list(0x5555683327a0, 24) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5965 [pid 5965] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5964] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5960] <... close resumed>) = 0 [pid 5965] setpgid(0, 0) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5962] <... close resumed>) = 0 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5965] <... openat resumed>) = 3 [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] write(3, "1000", 4 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... write resumed>) = 4 [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5957] <... futex resumed>) = 0 [pid 5965] close(3 [pid 5962] <... futex resumed>) = 1 [pid 5960] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... close resumed>) = 0 [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5965] write(1, "executing program\n", 18 [pid 5963] <... close resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5965] <... write resumed>) = 18 [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 0 [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] <... futex resumed>) = 1 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 1 [pid 5962] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5964] <... write resumed>) = 1048576 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5960] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5964] munmap(0x7f41a5370000, 138412032 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5959] <... futex resumed>) = 0 [pid 5965] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5964] <... munmap resumed>) = 0 [pid 5963] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5962] <... futex resumed>) = 1 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = 0 [pid 5965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5964] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5963] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... futex resumed>) = 1 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5964] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5964] close(3 [pid 5963] <... futex resumed>) = 1 [pid 5962] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 0 [pid 5965] <... mmap resumed>) = 0x7f41ad770000 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5960] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... futex resumed>) = 0 [pid 5965] <... mprotect resumed>) = 0 [pid 5963] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5962] <... futex resumed>) = 1 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = 0 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5964] <... close resumed>) = 0 [pid 5963] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5962] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5960] <... futex resumed>) = 1 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5964] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 1 [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 0 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] <... futex resumed>) = 0 [pid 5964] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5963] <... futex resumed>) = 0 [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... futex resumed>) = 1 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 5966 attached [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5962] <... futex resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5965] <... clone3 resumed> => {parent_tid=[5966]}, 88) = 5966 [pid 5964] <... futex resumed>) = 0 [pid 5963] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... futex resumed>) = 1 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5966] <... rseq resumed>) = 0 [pid 5965] rt_sigprocmask(SIG_SETMASK, [] [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] set_robust_list(0x7f41ad7909a0, 24 [pid 5965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5962] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 0 [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 0 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5961] <... futex resumed>) = 1 [pid 5960] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] rt_sigprocmask(SIG_SETMASK, [] [pid 5965] <... futex resumed>) = 0 [pid 5964] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... futex resumed>) = 0 [pid 5966] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5964] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5963] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] memfd_create("syzkaller", 0 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... futex resumed>) = 1 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5966] <... memfd_create resumed>) = 3 [pid 5964] <... futex resumed>) = 1 [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = 1 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... mmap resumed>) = 0x7f41a5370000 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] mkdirat(AT_FDCWD, NULL, 0777 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 0 [pid 5964] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] mkdirat(AT_FDCWD, NULL, 0777 [pid 5959] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5966] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5964] <... futex resumed>) = 1 [pid 5962] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5961] <... futex resumed>) = 0 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... openat resumed>) = 4 [pid 5958] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = 1 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = 0 [pid 5960] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 0 [pid 5964] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5963] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... openat resumed>) = 4 [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5964] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 1 [pid 5962] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5960] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] <... futex resumed>) = 1 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5961] <... futex resumed>) = 0 [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5966] <... write resumed>) = 1048576 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] mkdirat(AT_FDCWD, NULL, 0777 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5960] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] munmap(0x7f41a5370000, 138412032 [pid 5964] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5963] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... munmap resumed>) = 0 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5958] <... futex resumed>) = 0 [pid 5966] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] openat(AT_FDCWD, NULL, O_RDWR [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5964] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5963] <... futex resumed>) = 1 [pid 5962] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5960] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5966] close(3 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] openat(AT_FDCWD, NULL, O_RDWR [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... openat resumed>) = 4 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5958] <... futex resumed>) = 0 [pid 5964] mkdirat(AT_FDCWD, NULL, 0777 [pid 5966] <... close resumed>) = 0 [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5963] <... futex resumed>) = 1 [pid 5962] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5960] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5962] sendfile(-1, -1, NULL, 553647746 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5962] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... futex resumed>) = 0 [pid 5960] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5964] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... openat resumed>) = 4 [pid 5963] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] sendfile(-1, -1, NULL, 553647746 [pid 5957] <... futex resumed>) = 0 [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... futex resumed>) = 0 [pid 5960] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] openat(AT_FDCWD, NULL, O_RDWR [pid 5962] memfd_create("syzkaller", 0 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5962] <... memfd_create resumed>) = 5 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5964] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] memfd_create("syzkaller", 0 [pid 5957] <... futex resumed>) = 0 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... futex resumed>) = 1 [pid 5962] <... mmap resumed>) = 0x7f41a5370000 [pid 5960] <... memfd_create resumed>) = 5 [pid 5959] <... futex resumed>) = 0 [pid 5957] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5964] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5966] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5959] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5964] openat(AT_FDCWD, NULL, O_RDWR [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... futex resumed>) = 0 [pid 5962] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... mmap resumed>) = 0x7f41a5370000 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] <... futex resumed>) = 0 [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5965] <... futex resumed>) = 0 [pid 5964] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5966] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... write resumed>) = 262144 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... write resumed>) = 262144 [pid 5959] <... futex resumed>) = 1 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5963] sendfile(-1, -1, NULL, 553647746 [pid 5962] munmap(0x7f41a5370000, 138412032 [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] munmap(0x7f41a5370000, 138412032 [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5963] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... munmap resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... munmap resumed>) = 0 [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5962] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5959] <... futex resumed>) = 0 [pid 5966] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5959] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5963] memfd_create("syzkaller", 0 [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5962] close(5 [pid 5960] close(5 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... memfd_create resumed>) = 5 [pid 5964] sendfile(-1, -1, NULL, 553647746 [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5966] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5964] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... mmap resumed>) = 0x7f41a5370000 [pid 5965] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = 1 [pid 5963] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5962] <... close resumed>) = 0 [pid 5964] <... futex resumed>) = 1 [pid 5960] <... close resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5964] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] mkdirat(AT_FDCWD, NULL, 0777 [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 0 [pid 5960] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5965] <... futex resumed>) = 0 [pid 5964] memfd_create("syzkaller", 0 [pid 5963] <... write resumed>) = 262144 [pid 5962] <... futex resumed>) = 1 [pid 5961] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... memfd_create resumed>) = 5 [pid 5963] munmap(0x7f41a5370000, 138412032 [pid 5962] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] exit_group(0 [pid 5957] exit_group(0 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5963] <... munmap resumed>) = 0 [pid 5962] <... futex resumed>) = ? [pid 5960] <... futex resumed>) = ? [pid 5958] <... exit_group resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... mmap resumed>) = 0x7f41a5370000 [pid 5960] +++ exited with 0 +++ [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5966] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5963] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5966] <... openat resumed>) = 4 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5963] close(5) = 0 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] +++ exited with 0 +++ [pid 5958] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5963] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5964] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5959] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5959] exit_group(0 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... exit_group resumed>) = ? [pid 5966] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5963] +++ exited with 0 +++ [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5966] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5959] +++ exited with 0 +++ [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5964] <... write resumed>) = 262144 [pid 5964] munmap(0x7f41a5370000, 138412032 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 5965] <... futex resumed>) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5964] <... munmap resumed>) = 0 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5966] openat(AT_FDCWD, NULL, O_RDWR [pid 5964] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5964] close(5ci2-upstream-fs/strace-static-x86_64: Process 5967 attached [pid 5966] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 5967] set_robust_list(0x5555683327a0, 24) = 0 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5967 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5967] setpgid(0, 0) = 0 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5967] write(3, "1000", 4) = 4 [pid 5967] close(3) = 0 [pid 5967] write(1, "executing program\n", 18) = 18 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5967] <... futex resumed>) = 0 [pid 5967] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 5967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5968 attached [pid 5967] <... mmap resumed>) = 0x7f41ad770000 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5968] set_robust_list(0x5555683327a0, 24 [pid 5967] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5966] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5968] <... set_robust_list resumed>) = 0 [pid 5967] <... mprotect resumed>) = 0 [pid 5966] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5964] <... close resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5968] rt_sigprocmask(SIG_SETMASK, [] [pid 5967] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5964] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5968 [pid 5967] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] exit_group(0 [pid 5967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5965] <... futex resumed>) = 0 [pid 5961] <... exit_group resumed>) = ? [pid 5968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5966] sendfile(-1, -1, NULL, 553647746 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILLci2-upstream-fs/strace-static-x86_64: Process 5970 attached [pid 5967] <... clone3 resumed> => {parent_tid=[5970]}, 88) = 5970 [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5967] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5970] <... rseq resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5970] set_robust_list(0x7f41ad7909a0, 24 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... set_robust_list resumed>) = 0 [pid 5968] <... prctl resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] rt_sigprocmask(SIG_SETMASK, [] [pid 5968] setpgid(0, 0 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5969 attached [pid 5970] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5968] <... setpgid resumed>) = 0 [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5969 [pid 5970] memfd_create("syzkaller", 0 [pid 5969] set_robust_list(0x5555683327a0, 24 [pid 5965] <... futex resumed>) = 0 [pid 5970] <... memfd_create resumed>) = 3 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5965] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5969] rt_sigprocmask(SIG_SETMASK, [] [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] <... mmap resumed>) = 0x7f41a5370000 [pid 5966] memfd_create("syzkaller", 0 [pid 5968] <... openat resumed>) = 3 [pid 5969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5966] <... memfd_create resumed>) = 5 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5968] write(3, "1000", 4 [pid 5966] <... mmap resumed>) = 0x7f41a5370000 [pid 5968] <... write resumed>) = 4 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5968] close(3 [pid 5964] +++ exited with 0 +++ [pid 5961] +++ exited with 0 +++ [pid 5969] <... prctl resumed>) = 0 [pid 5968] <... close resumed>) = 0 [pid 5969] setpgid(0, 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5969] <... setpgid resumed>) = 0 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5968] write(1, "executing program\n", 18 [pid 5969] <... openat resumed>) = 3 [pid 5968] <... write resumed>) = 18 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5969] write(3, "1000", 4 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5969] <... write resumed>) = 4 [pid 5969] close(3) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5969] write(1, "executing program\n", 18 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5969] <... write resumed>) = 18 [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5969] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5969] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5968] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5969] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5968] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 5971 attached [pid 5969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5966] <... write resumed>) = 262144 [pid 5971] set_robust_list(0x5555683327a0, 24 [pid 5969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5968] <... mmap resumed>) = 0x7f41ad770000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5971 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5966] munmap(0x7f41a5370000, 138412032 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5969] <... mmap resumed>) = 0x7f41ad770000 [pid 5966] <... munmap resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [] [pid 5969] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5969] <... mprotect resumed>) = 0 [pid 5968] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5966] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5968] <... mprotect resumed>) = 0 [pid 5969] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5971] <... prctl resumed>) = 0 [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5966] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5971] setpgid(0, 0 [pid 5969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5968] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5966] close(5ci2-upstream-fs/strace-static-x86_64: Process 5972 attached [pid 5971] <... setpgid resumed>) = 0 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5972] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] <... write resumed>) = 1048576 [pid 5969] <... clone3 resumed> => {parent_tid=[5972]}, 88) = 5972 [pid 5972] <... rseq resumed>) = 0 [pid 5971] <... openat resumed>) = 3 [pid 5970] munmap(0x7f41a5370000, 138412032 [pid 5969] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 5973 attached [pid 5972] set_robust_list(0x7f41ad7909a0, 24 [pid 5971] write(3, "1000", 4 [pid 5970] <... munmap resumed>) = 0 [pid 5966] <... close resumed>) = 0 [pid 5973] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5972] <... set_robust_list resumed>) = 0 [pid 5971] <... write resumed>) = 4 [pid 5969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5968] <... clone3 resumed> => {parent_tid=[5973]}, 88) = 5973 [pid 5966] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... rseq resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [] [pid 5971] close(3 [pid 5970] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] rt_sigprocmask(SIG_SETMASK, [] [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5973] set_robust_list(0x7f41ad7909a0, 24 [pid 5972] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5971] <... close resumed>) = 0 [pid 5970] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5969] <... futex resumed>) = 0 [pid 5968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5966] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... set_robust_list resumed>) = 0 [pid 5965] exit_group(0 [pid 5970] close(3 [pid 5973] rt_sigprocmask(SIG_SETMASK, [] [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5972] memfd_create("syzkaller", 0 [pid 5968] <... futex resumed>) = 0 [pid 5973] memfd_create("syzkaller", 0 [pid 5971] write(1, "executing program\n", 18 [pid 5966] <... futex resumed>) = ? [pid 5965] <... exit_group resumed>) = ? [pid 5972] <... memfd_create resumed>) = 3 [pid 5971] <... write resumed>) = 18 executing program [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5973] <... memfd_create resumed>) = 3 [pid 5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] +++ exited with 0 +++ [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5971] <... futex resumed>) = 0 [pid 5971] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5973] <... mmap resumed>) = 0x7f41a5370000 [pid 5972] <... mmap resumed>) = 0x7f41a5370000 [pid 5971] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5971] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5965] +++ exited with 0 +++ [pid 5971] <... mprotect resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 5974 attached => {parent_tid=[5974]}, 88) = 5974 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5974] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5974] set_robust_list(0x7f41ad7909a0, 24 [pid 5971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5970] <... close resumed>) = 0 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] rt_sigprocmask(SIG_SETMASK, [] [pid 5971] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5970] <... futex resumed>) = 1 [pid 5974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5974] memfd_create("syzkaller", 0 [pid 5972] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... futex resumed>) = 0 [pid 5974] <... memfd_create resumed>) = 3 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 5975 attached [pid 5967] <... futex resumed>) = 1 [pid 5975] set_robust_list(0x5555683327a0, 24 [pid 5974] <... mmap resumed>) = 0x7f41a5370000 [pid 5970] <... futex resumed>) = 0 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5975 [pid 5970] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5970] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_SETMASK, [] [pid 5970] <... futex resumed>) = 1 [pid 5975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5970] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5967] <... futex resumed>) = 0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... prctl resumed>) = 0 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] setpgid(0, 0 [pid 5970] <... futex resumed>) = 0 [pid 5975] <... setpgid resumed>) = 0 [pid 5970] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5967] <... futex resumed>) = 0 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... openat resumed>) = 3 [pid 5974] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5970] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] write(3, "1000", 4) = 4 [pid 5975] close(3 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5970] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5975] <... close resumed>) = 0 [pid 5970] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] write(1, "executing program\n", 18 [pid 5970] <... futex resumed>) = 0 executing program [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... write resumed>) = 18 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... write resumed>) = 1048576 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = 0 [pid 5970] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 1 [pid 5975] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5970] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] munmap(0x7f41a5370000, 138412032 [pid 5975] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5972] <... munmap resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5972] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5970] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5972] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] close(3 [pid 5975] <... mmap resumed>) = 0x7f41ad770000 [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5975] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5973] <... write resumed>) = 1048576 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... mprotect resumed>) = 0 [pid 5973] munmap(0x7f41a5370000, 138412032 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] <... futex resumed>) = 0 [pid 5973] <... munmap resumed>) = 0 [pid 5970] mkdirat(AT_FDCWD, NULL, 0777 [pid 5975] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5973] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5973] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5970] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5976 attached [pid 5973] close(3 [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5976] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5975] <... clone3 resumed> => {parent_tid=[5976]}, 88) = 5976 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... rseq resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_SETMASK, [] [pid 5972] <... close resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] set_robust_list(0x7f41ad7909a0, 24 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5970] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5976] rt_sigprocmask(SIG_SETMASK, [] [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5976] memfd_create("syzkaller", 0 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5974] <... write resumed>) = 1048576 [pid 5972] <... futex resumed>) = 1 [pid 5970] <... openat resumed>) = 4 [pid 5969] <... futex resumed>) = 0 [pid 5976] <... memfd_create resumed>) = 3 [pid 5974] munmap(0x7f41a5370000, 138412032 [pid 5972] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5973] <... close resumed>) = 0 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... munmap resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5976] <... mmap resumed>) = 0x7f41a5370000 [pid 5974] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5970] <... futex resumed>) = 1 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] <... futex resumed>) = 0 [pid 5974] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5973] <... futex resumed>) = 1 [pid 5972] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5968] <... futex resumed>) = 0 [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 1 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5973] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5972] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] close(3 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5973] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5969] <... futex resumed>) = 0 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] <... futex resumed>) = 1 [pid 5972] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5970] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 1 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5973] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5972] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] openat(AT_FDCWD, NULL, O_RDWR [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5970] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... write resumed>) = 1048576 [pid 5974] <... close resumed>) = 0 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] munmap(0x7f41a5370000, 138412032 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = 1 [pid 5972] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5976] <... munmap resumed>) = 0 [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] <... futex resumed>) = 0 [pid 5973] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5974] <... futex resumed>) = 1 [pid 5972] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5971] <... futex resumed>) = 0 [pid 5970] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] close(3 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5969] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] <... futex resumed>) = 0 [pid 5972] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5971] <... futex resumed>) = 0 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5973] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5972] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5974] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5973] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... futex resumed>) = 1 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] sendfile(-1, -1, NULL, 553647746 [pid 5967] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5973] <... futex resumed>) = 1 [pid 5972] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5971] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5976] <... close resumed>) = 0 [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... futex resumed>) = 0 [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5971] <... futex resumed>) = 0 [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5973] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5972] <... futex resumed>) = 0 [pid 5970] memfd_create("syzkaller", 0 [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... futex resumed>) = 0 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5972] mkdirat(AT_FDCWD, NULL, 0777 [pid 5970] <... memfd_create resumed>) = 5 [pid 5969] <... futex resumed>) = 0 [pid 5967] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5976] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... futex resumed>) = 1 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5971] <... futex resumed>) = 0 [pid 5970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5974] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5973] <... futex resumed>) = 1 [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... futex resumed>) = 0 [pid 5970] <... mmap resumed>) = 0x7f41a5370000 [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5970] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = 0 [pid 5973] mkdirat(AT_FDCWD, NULL, 0777 [pid 5972] <... openat resumed>) = 4 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5970] <... write resumed>) = 262144 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5973] <... futex resumed>) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5970] munmap(0x7f41a5370000, 138412032 [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5970] <... munmap resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 0 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5973] <... openat resumed>) = 4 [pid 5972] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5970] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] close(5 [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5971] <... futex resumed>) = 0 [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5973] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5972] openat(AT_FDCWD, NULL, O_RDWR [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] <... close resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5973] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5972] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5970] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 0 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] <... futex resumed>) = 0 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5970] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] exit_group(0 [pid 5976] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... futex resumed>) = 1 [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5971] <... futex resumed>) = 0 [pid 5970] <... futex resumed>) = ? [pid 5969] <... futex resumed>) = 0 [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... exit_group resumed>) = ? [pid 5976] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] mkdirat(AT_FDCWD, NULL, 0777 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] +++ exited with 0 +++ [pid 5968] <... futex resumed>) = 0 [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5973] openat(AT_FDCWD, NULL, O_RDWR [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] +++ exited with 0 +++ [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5972] <... futex resumed>) = 0 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = 0 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] sendfile(-1, -1, NULL, 553647746 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... futex resumed>) = 1 [pid 5972] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5976] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5974] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 0 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5976] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5974] <... openat resumed>) = 4 [pid 5973] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5972] memfd_create("syzkaller", 0 [pid 5969] <... futex resumed>) = 0 [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5972] <... memfd_create resumed>) = 5 [pid 5969] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5971] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... futex resumed>) = 1 [pid 5972] <... mmap resumed>) = 0x7f41a5370000 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5977 attached [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] set_robust_list(0x5555683327a0, 24 [pid 5976] mkdirat(AT_FDCWD, NULL, 0777 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5971] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5977 [pid 5974] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5976] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5974] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5973] sendfile(-1, -1, NULL, 553647746 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5977] rt_sigprocmask(SIG_SETMASK, [] [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... write resumed>) = 262144 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] munmap(0x7f41a5370000, 138412032 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] openat(AT_FDCWD, NULL, O_RDWR [pid 5973] <... futex resumed>) = 1 [pid 5972] <... munmap resumed>) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5977] <... prctl resumed>) = 0 [pid 5976] <... openat resumed>) = 4 [pid 5975] <... futex resumed>) = 0 [pid 5974] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] setpgid(0, 0 [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5968] <... futex resumed>) = 0 [pid 5977] <... setpgid resumed>) = 0 [pid 5976] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] <... futex resumed>) = 1 [pid 5973] memfd_create("syzkaller", 0 [pid 5972] close(5 [pid 5971] <... futex resumed>) = 0 [pid 5968] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5973] <... memfd_create resumed>) = 5 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... openat resumed>) = 3 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5971] <... futex resumed>) = 0 [pid 5977] write(3, "1000", 4 [pid 5976] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... mmap resumed>) = 0x7f41a5370000 [pid 5972] <... close resumed>) = 0 [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] <... write resumed>) = 4 [pid 5976] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... futex resumed>) = 0 [pid 5972] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] close(3 [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5972] <... futex resumed>) = 1 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = 0 [pid 5977] <... close resumed>) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5971] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5972] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] exit_group(0 [pid 5977] write(1, "executing program\n", 18 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] sendfile(-1, -1, NULL, 553647746 [pid 5973] <... write resumed>) = 262144 [pid 5972] <... futex resumed>) = ? [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... exit_group resumed>) = ? [pid 5977] <... write resumed>) = 18 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5972] +++ exited with 0 +++ executing program [pid 5974] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] openat(AT_FDCWD, NULL, O_RDWR [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... futex resumed>) = 1 [pid 5973] munmap(0x7f41a5370000, 138412032 [pid 5971] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5976] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5977] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] memfd_create("syzkaller", 0 [pid 5973] <... munmap resumed>) = 0 [pid 5971] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] +++ exited with 0 +++ [pid 5977] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5974] <... memfd_create resumed>) = 5 [pid 5973] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5971] <... futex resumed>) = 0 [pid 5977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5973] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5971] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5974] <... mmap resumed>) = 0x7f41a5370000 [pid 5973] close(5 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5976] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] <... mmap resumed>) = 0x7f41ad770000 [pid 5976] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5973] <... close resumed>) = 0 [pid 5977] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... mprotect resumed>) = 0 [pid 5974] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5973] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5977] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5976] sendfile(-1, -1, NULL, 553647746 [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5977] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5976] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] <... futex resumed>) = 0 [pid 5973] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] exit_group(0 [pid 5977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... write resumed>) = 262144 [pid 5973] <... futex resumed>) = ? [pid 5968] <... exit_group resumed>) = ? [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 5978 attached [pid 5976] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] munmap(0x7f41a5370000, 138412032 [pid 5973] +++ exited with 0 +++ [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5978] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5977] <... clone3 resumed> => {parent_tid=[5978]}, 88) = 5978 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... munmap resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5978] <... rseq resumed>) = 0 [pid 5977] rt_sigprocmask(SIG_SETMASK, [] [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5968] +++ exited with 0 +++ [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5978] set_robust_list(0x7f41ad7909a0, 24 [pid 5977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5976] memfd_create("syzkaller", 0 [pid 5975] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5974] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... memfd_create resumed>) = 5 [pid 5974] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5978] rt_sigprocmask(SIG_SETMASK, [] [pid 5977] <... futex resumed>) = 0 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5974] close(5 [pid 5603] <... restart_syscall resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5979 attached [pid 5978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5976] <... mmap resumed>) = 0x7f41a5370000 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5979 [pid 5979] set_robust_list(0x5555683327a0, 24 [pid 5978] memfd_create("syzkaller", 0 [pid 5974] <... close resumed>) = 0 [pid 5974] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5979] <... set_robust_list resumed>) = 0 [pid 5978] <... memfd_create resumed>) = 3 [pid 5976] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5974] <... futex resumed>) = 1 [pid 5971] <... futex resumed>) = 0 [pid 5974] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] exit_group(0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5979] rt_sigprocmask(SIG_SETMASK, [] [pid 5971] <... exit_group resumed>) = ? [pid 5979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5978] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5976] <... write resumed>) = 262144 [pid 5974] <... futex resumed>) = ? [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] <... mmap resumed>) = 0x7f41a5370000 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5979] <... prctl resumed>) = 0 [pid 5978] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5976] munmap(0x7f41a5370000, 138412032 [pid 5974] +++ exited with 0 +++ [pid 5971] +++ exited with 0 +++ [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5979] setpgid(0, 0 [pid 5976] <... munmap resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5979] <... setpgid resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5980 attached [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5980] set_robust_list(0x5555683327a0, 24 [pid 5976] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5980 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] <... set_robust_list resumed>) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5980] <... prctl resumed>) = 0 [pid 5976] close(5 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5980] setpgid(0, 0) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5980] write(3, "1000", 4) = 4 [pid 5980] close(3) = 0 [pid 5980] write(1, "executing program\n", 18 [pid 5976] <... close resumed>) = 0 executing program ci2-upstream-fs/strace-static-x86_64: Process 5981 attached [pid 5980] <... write resumed>) = 18 [pid 5976] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5976] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] set_robust_list(0x5555683327a0, 24 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5981 [pid 5980] <... futex resumed>) = 0 [pid 5975] exit_group(0 [pid 5980] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5975] <... exit_group resumed>) = ? [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5981] <... set_robust_list resumed>) = 0 [pid 5980] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5976] <... futex resumed>) = ? [pid 5981] rt_sigprocmask(SIG_SETMASK, [] [pid 5978] <... write resumed>) = 1048576 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5978] munmap(0x7f41a5370000, 138412032 [pid 5981] <... prctl resumed>) = 0 [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5978] <... munmap resumed>) = 0 [pid 5980] <... mmap resumed>) = 0x7f41ad770000 [pid 5981] setpgid(0, 0 [pid 5980] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5981] <... setpgid resumed>) = 0 [pid 5980] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5976] +++ exited with 0 +++ [pid 5980] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5975] +++ exited with 0 +++ [pid 5981] <... openat resumed>) = 3 [pid 5980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5979] <... openat resumed>) = 3 [pid 5978] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ci2-upstream-fs/strace-static-x86_64: Process 5982 attached [pid 5979] write(3, "1000", 4 [pid 5978] close(3 [pid 5982] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5981] write(3, "1000", 4 [pid 5980] <... clone3 resumed> => {parent_tid=[5982]}, 88) = 5982 [pid 5979] <... write resumed>) = 4 [pid 5982] <... rseq resumed>) = 0 [pid 5982] set_robust_list(0x7f41ad7909a0, 24 [pid 5981] <... write resumed>) = 4 [pid 5980] rt_sigprocmask(SIG_SETMASK, [] [pid 5979] close(3 [pid 5978] <... close resumed>) = 0 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] close(3 [pid 5980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5979] <... close resumed>) = 0 [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] rt_sigprocmask(SIG_SETMASK, [] [pid 5981] <... close resumed>) = 0 [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] write(1, "executing program\n", 18 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 executing program [pid 5982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5981] write(1, "executing program\n", 18 [pid 5980] <... futex resumed>) = 0 executing program [pid 5979] <... write resumed>) = 18 [pid 5978] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5982] memfd_create("syzkaller", 0 [pid 5981] <... write resumed>) = 18 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5982] <... memfd_create resumed>) = 3 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5978] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5981] <... futex resumed>) = 0 [pid 5979] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5978] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... mmap resumed>) = 0x7f41a5370000 [pid 5981] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5979] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5981] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5978] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5977] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5983 attached [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5979] <... mmap resumed>) = 0x7f41ad770000 [pid 5978] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5983] set_robust_list(0x5555683327a0, 24 [pid 5981] <... mmap resumed>) = 0x7f41ad770000 [pid 5979] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5983 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5981] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5979] <... mprotect resumed>) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5981] <... mprotect resumed>) = 0 [pid 5979] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5978] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5981] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5979] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5978] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... futex resumed>) = 0 [pid 5983] <... prctl resumed>) = 0 [pid 5981] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 5984 attached [pid 5983] setpgid(0, 0 [pid 5981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... setpgid resumed>) = 0 [pid 5977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 5985 attached [pid 5979] <... clone3 resumed> => {parent_tid=[5984]}, 88) = 5984 [pid 5978] <... futex resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5978] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] rt_sigprocmask(SIG_SETMASK, [] [pid 5984] <... rseq resumed>) = 0 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] set_robust_list(0x7f41ad7909a0, 24 [pid 5985] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5978] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = 1 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] <... openat resumed>) = 3 [pid 5981] <... clone3 resumed> => {parent_tid=[5985]}, 88) = 5985 [pid 5979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5985] <... rseq resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [] [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] set_robust_list(0x7f41ad7909a0, 24 [pid 5984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5983] write(3, "1000", 4 [pid 5981] rt_sigprocmask(SIG_SETMASK, [] [pid 5979] <... futex resumed>) = 0 [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5983] <... write resumed>) = 4 [pid 5985] rt_sigprocmask(SIG_SETMASK, [] [pid 5984] memfd_create("syzkaller", 0 [pid 5983] close(3 [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5984] <... memfd_create resumed>) = 3 [pid 5983] <... close resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5978] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] memfd_create("syzkaller", 0 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5983] write(1, "executing program\n", 18 [pid 5982] <... write resumed>) = 1048576 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5984] <... mmap resumed>) = 0x7f41a5370000 [pid 5983] <... write resumed>) = 18 executing program [pid 5978] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... memfd_create resumed>) = 3 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] munmap(0x7f41a5370000, 138412032) = 0 [pid 5982] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5982] close(3 [pid 5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5983] <... futex resumed>) = 0 [pid 5978] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5985] <... mmap resumed>) = 0x7f41a5370000 [pid 5983] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] mkdirat(AT_FDCWD, NULL, 0777 [pid 5983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5978] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... mmap resumed>) = 0x7f41ad770000 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5978] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5977] <... futex resumed>) = 0 [pid 5983] <... mprotect resumed>) = 0 [pid 5978] <... openat resumed>) = 4 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5982] <... close resumed>) = 0 [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5983] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5978] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5982] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5986 attached [pid 5982] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5986] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5985] <... write resumed>) = 1048576 [pid 5984] <... write resumed>) = 1048576 [pid 5983] <... clone3 resumed> => {parent_tid=[5986]}, 88) = 5986 [pid 5982] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5980] <... futex resumed>) = 0 [pid 5978] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... rseq resumed>) = 0 [pid 5985] munmap(0x7f41a5370000, 138412032 [pid 5984] munmap(0x7f41a5370000, 138412032 [pid 5983] rt_sigprocmask(SIG_SETMASK, [] [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5986] set_robust_list(0x7f41ad7909a0, 24 [pid 5985] <... munmap resumed>) = 0 [pid 5984] <... munmap resumed>) = 0 [pid 5983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] openat(AT_FDCWD, NULL, O_RDWR [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... set_robust_list resumed>) = 0 [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5984] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] rt_sigprocmask(SIG_SETMASK, [] [pid 5983] <... futex resumed>) = 0 [pid 5985] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5978] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5986] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5982] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5985] close(3 [pid 5984] close(3 [pid 5982] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] memfd_create("syzkaller", 0) = 3 [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5978] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... mmap resumed>) = 0x7f41a5370000 [pid 5982] <... futex resumed>) = 1 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] <... futex resumed>) = 0 [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 1 [pid 5978] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5982] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5978] sendfile(-1, -1, NULL, 553647746 [pid 5977] <... futex resumed>) = 0 [pid 5978] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5985] <... close resumed>) = 0 [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... write resumed>) = 1048576 [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... close resumed>) = 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5977] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] memfd_create("syzkaller", 0 [pid 5986] munmap(0x7f41a5370000, 138412032 [pid 5985] <... futex resumed>) = 1 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5981] <... futex resumed>) = 0 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] <... futex resumed>) = 0 [pid 5978] <... memfd_create resumed>) = 5 [pid 5986] <... munmap resumed>) = 0 [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... futex resumed>) = 1 [pid 5982] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5977] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5978] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5986] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 0 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5985] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5984] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5982] <... futex resumed>) = 1 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5978] <... mmap resumed>) = 0x7f41a5370000 [pid 5986] close(3 [pid 5985] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... futex resumed>) = 0 [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... futex resumed>) = 1 [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5981] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 1 [pid 5985] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5984] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5981] <... futex resumed>) = 1 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5985] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5984] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5982] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5984] <... futex resumed>) = 1 [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5985] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] mkdirat(AT_FDCWD, NULL, 0777 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5986] <... close resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5984] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5982] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5980] <... futex resumed>) = 0 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5984] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... write resumed>) = 262144 [pid 5986] <... futex resumed>) = 1 [pid 5985] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] munmap(0x7f41a5370000, 138412032 [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 0 [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 0 [pid 5986] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = 0 [pid 5982] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5978] <... munmap resumed>) = 0 [pid 5986] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5984] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... openat resumed>) = 4 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 0 [pid 5984] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 [pid 5985] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... futex resumed>) = 0 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5984] <... futex resumed>) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5982] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5986] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] close(5 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5984] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5982] <... futex resumed>) = 0 [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5982] openat(AT_FDCWD, NULL, O_RDWR [pid 5985] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5982] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5980] <... futex resumed>) = 0 [pid 5986] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... close resumed>) = 0 [pid 5986] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... futex resumed>) = 0 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] mkdirat(AT_FDCWD, NULL, 0777 [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5983] <... futex resumed>) = 0 [pid 5982] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5981] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5986] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5985] mkdirat(AT_FDCWD, NULL, 0777 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5984] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5978] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] exit_group(0 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = ? [pid 5977] <... exit_group resumed>) = ? [pid 5986] <... futex resumed>) = 1 [pid 5985] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] sendfile(-1, -1, NULL, 553647746 [pid 5981] <... futex resumed>) = 0 [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5984] <... openat resumed>) = 4 [pid 5983] <... futex resumed>) = 0 [pid 5982] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] +++ exited with 0 +++ [pid 5977] +++ exited with 0 +++ [pid 5986] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5985] <... openat resumed>) = 4 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 1 [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5984] <... futex resumed>) = 1 [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5986] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5985] <... futex resumed>) = 0 [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 1 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 1 [pid 5985] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5983] <... futex resumed>) = 0 [pid 5982] memfd_create("syzkaller", 0 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5984] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = 0 [pid 5986] mkdirat(AT_FDCWD, NULL, 0777 [pid 5984] <... futex resumed>) = 1 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5986] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5985] <... futex resumed>) = 0 [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... memfd_create resumed>) = 5 [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] openat(AT_FDCWD, NULL, O_RDWR [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5981] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 1 [pid 5985] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5984] openat(AT_FDCWD, NULL, O_RDWR [pid 5983] <... futex resumed>) = 0 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... mmap resumed>) = 0x7f41a5370000 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] <... futex resumed>) = 0 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... restart_syscall resumed>) = 0 [pid 5986] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... futex resumed>) = 1 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5986] <... openat resumed>) = 4 [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5982] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... futex resumed>) = 1 [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5983] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] <... futex resumed>) = 0 [pid 5984] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] sendfile(-1, -1, NULL, 553647746 [pid 5983] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5985] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] <... futex resumed>) = 0 [pid 5986] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] <... write resumed>) = 262144 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... futex resumed>) = 1 [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] <... futex resumed>) = 0 [pid 5982] munmap(0x7f41a5370000, 138412032 [pid 5981] <... futex resumed>) = 0 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5986] openat(AT_FDCWD, NULL, O_RDWR [pid 5985] memfd_create("syzkaller", 0 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... munmap resumed>) = 0 [pid 5981] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5986] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5985] <... memfd_create resumed>) = 5 [pid 5984] sendfile(-1, -1, NULL, 553647746 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] <... futex resumed>) = 1 [pid 5979] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5987 attached [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] close(5 [pid 5979] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] set_robust_list(0x5555683327a0, 24 [pid 5986] <... futex resumed>) = 1 [pid 5985] <... mmap resumed>) = 0x7f41a5370000 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5987 [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5987] <... set_robust_list resumed>) = 0 [pid 5984] memfd_create("syzkaller", 0 [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... close resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5987] rt_sigprocmask(SIG_SETMASK, [] [pid 5984] <... memfd_create resumed>) = 5 [pid 5983] <... futex resumed>) = 0 [pid 5982] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5986] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5985] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5982] <... futex resumed>) = 1 [pid 5987] <... prctl resumed>) = 0 [pid 5986] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5984] <... mmap resumed>) = 0x7f41a5370000 [pid 5982] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] <... futex resumed>) = 0 [pid 5987] setpgid(0, 0 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... setpgid resumed>) = 0 [pid 5986] <... futex resumed>) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] exit_group(0 [pid 5987] <... openat resumed>) = 3 [pid 5986] sendfile(-1, -1, NULL, 553647746 [pid 5983] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = ? [pid 5980] <... exit_group resumed>) = ? [pid 5986] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] <... write resumed>) = 262144 [pid 5984] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] +++ exited with 0 +++ [pid 5987] write(3, "1000", 4 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] munmap(0x7f41a5370000, 138412032 [pid 5986] <... futex resumed>) = 0 [pid 5987] <... write resumed>) = 4 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] <... munmap resumed>) = 0 [pid 5987] close(3 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5983] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] +++ exited with 0 +++ [pid 5987] <... close resumed>) = 0 [pid 5986] memfd_create("syzkaller", 0 [pid 5985] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] <... write resumed>) = 262144 [pid 5987] write(1, "executing program\n", 18 [pid 5986] <... memfd_create resumed>) = 5 [pid 5983] <... futex resumed>) = 0 executing program [pid 5985] close(5 [pid 5987] <... write resumed>) = 18 [pid 5986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5984] munmap(0x7f41a5370000, 138412032 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... mmap resumed>) = 0x7f41a5370000 [pid 5985] <... close resumed>) = 0 [pid 5984] <... munmap resumed>) = 0 [pid 5987] <... futex resumed>) = 0 [pid 5983] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5987] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5985] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5987] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5985] <... futex resumed>) = 1 [pid 5984] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5981] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5986] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5981] exit_group(0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] close(5 [pid 5987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 5988 attached ) = 0x7f41ad770000 [pid 5985] <... futex resumed>) = ? [pid 5981] <... exit_group resumed>) = ? [pid 5988] set_robust_list(0x5555683327a0, 24 [pid 5987] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5985] +++ exited with 0 +++ [pid 5984] <... close resumed>) = 0 [pid 5984] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] <... mprotect resumed>) = 0 [pid 5986] <... write resumed>) = 262144 [pid 5981] +++ exited with 0 +++ [pid 5988] rt_sigprocmask(SIG_SETMASK, [] [pid 5987] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5986] munmap(0x7f41a5370000, 138412032 [pid 5984] <... futex resumed>) = 1 [pid 5979] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5988 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5987] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5986] <... munmap resumed>) = 0 [pid 5984] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] exit_group(0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5986] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5984] <... futex resumed>) = ? [pid 5979] <... exit_group resumed>) = ? [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5989 attached [pid 5988] <... prctl resumed>) = 0 [pid 5986] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] +++ exited with 0 +++ [pid 5989] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5988] setpgid(0, 0 [pid 5987] <... clone3 resumed> => {parent_tid=[5989]}, 88) = 5989 [pid 5986] close(5 [pid 5979] +++ exited with 0 +++ [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5989] <... rseq resumed>) = 0 [pid 5988] <... setpgid resumed>) = 0 [pid 5987] rt_sigprocmask(SIG_SETMASK, [] [pid 5986] <... close resumed>) = 0 [pid 5989] set_robust_list(0x7f41ad7909a0, 24 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5989] <... set_robust_list resumed>) = 0 [pid 5989] rt_sigprocmask(SIG_SETMASK, [] [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5987] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5989] memfd_create("syzkaller", 0 [pid 5988] <... openat resumed>) = 3 [pid 5986] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5989] <... memfd_create resumed>) = 3 [pid 5986] <... futex resumed>) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5986] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] exit_group(0 [pid 5989] <... mmap resumed>) = 0x7f41a5370000 [pid 5988] write(3, "1000", 4 [pid 5986] <... futex resumed>) = ? [pid 5983] <... exit_group resumed>) = ? [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5988] <... write resumed>) = 4 [pid 5602] <... restart_syscall resumed>) = 0 [pid 5988] close(3) = 0 [pid 5988] write(1, "executing program\n", 18 [pid 5986] +++ exited with 0 +++ [pid 5983] +++ exited with 0 +++ [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5988] <... write resumed>) = 18 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-upstream-fs/strace-static-x86_64: Process 5990 attached [pid 5988] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5988] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 5990 [pid 5988] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5990] set_robust_list(0x5555683327a0, 24 [pid 5989] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5990] <... set_robust_list resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... restart_syscall resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5991 attached [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] set_robust_list(0x5555683327a0, 24 [pid 5990] <... prctl resumed>) = 0 [pid 5989] <... write resumed>) = 1048576 [pid 5988] <... mmap resumed>) = 0x7f41ad770000 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 5991 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5990] setpgid(0, 0 [pid 5988] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5991] rt_sigprocmask(SIG_SETMASK, [] [pid 5990] <... setpgid resumed>) = 0 [pid 5989] munmap(0x7f41a5370000, 138412032 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5988] <... mprotect resumed>) = 0 [pid 5991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] <... openat resumed>) = 3 [pid 5989] <... munmap resumed>) = 0 [pid 5988] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5988] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5991] <... prctl resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5991] setpgid(0, 0 [pid 5990] write(3, "1000", 4 [pid 5989] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5991] <... setpgid resumed>) = 0 [pid 5990] <... write resumed>) = 4 [pid 5989] close(3ci2-upstream-fs/strace-static-x86_64: Process 5992 attached [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5990] close(3 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5992] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5992] <... rseq resumed>) = 0 [pid 5991] <... openat resumed>) = 3 [pid 5990] <... close resumed>) = 0 [pid 5992] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 5988] <... clone3 resumed> => {parent_tid=[5992]}, 88) = 5992 [pid 5992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5990] write(1, "executing program\n", 18 [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 5988] rt_sigprocmask(SIG_SETMASK, [] [pid 5991] write(3, "1000", 4 [pid 5990] <... write resumed>) = 18 [pid 5988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5993 attached [pid 5992] <... futex resumed>) = 0 [pid 5991] <... write resumed>) = 4 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 1 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 5993 [pid 5992] memfd_create("syzkaller", 0 [pid 5993] set_robust_list(0x5555683327a0, 24 [pid 5992] <... memfd_create resumed>) = 3 [pid 5991] close(3 [pid 5990] <... futex resumed>) = 0 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5991] <... close resumed>) = 0 [pid 5990] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5993] rt_sigprocmask(SIG_SETMASK, [] [pid 5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5991] write(1, "executing program\n", 18 executing program [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5992] <... mmap resumed>) = 0x7f41a5370000 [pid 5993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5991] <... write resumed>) = 18 [pid 5990] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5993] <... prctl resumed>) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5990] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5989] <... close resumed>) = 0 [pid 5993] setpgid(0, 0 [pid 5991] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5993] <... setpgid resumed>) = 0 [pid 5991] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5990] <... mmap resumed>) = 0x7f41ad770000 [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5990] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5989] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5993] <... openat resumed>) = 3 [pid 5991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5990] <... mprotect resumed>) = 0 [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] write(3, "1000", 4 [pid 5991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5989] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5987] <... futex resumed>) = 0 [pid 5993] <... write resumed>) = 4 [pid 5991] <... mmap resumed>) = 0x7f41ad770000 [pid 5990] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5989] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] close(3 [pid 5991] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... close resumed>) = 0 [pid 5991] <... mprotect resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5994 attached [pid 5993] write(1, "executing program\n", 18 [pid 5991] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5989] <... futex resumed>) = 0 [pid 5994] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5993] <... write resumed>) = 18 executing program [pid 5990] <... clone3 resumed> => {parent_tid=[5994]}, 88) = 5994 [pid 5989] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... rseq resumed>) = 0 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [] [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5994] set_robust_list(0x7f41ad7909a0, 24 [pid 5993] <... futex resumed>) = 0 [pid 5991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5990] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5989] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5994] rt_sigprocmask(SIG_SETMASK, [] [pid 5993] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5995 attached [pid 5994] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5991] <... clone3 resumed> => {parent_tid=[5995]}, 88) = 5995 [pid 5990] <... futex resumed>) = 0 [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5994] memfd_create("syzkaller", 0 [pid 5993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5991] rt_sigprocmask(SIG_SETMASK, [] [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5989] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5995] <... rseq resumed>) = 0 [pid 5994] <... memfd_create resumed>) = 3 [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5989] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] set_robust_list(0x7f41ad7909a0, 24 [pid 5994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5993] <... mmap resumed>) = 0x7f41ad770000 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] <... mmap resumed>) = 0x7f41a5370000 [pid 5993] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5991] <... futex resumed>) = 0 [pid 5989] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] rt_sigprocmask(SIG_SETMASK, [] [pid 5993] <... mprotect resumed>) = 0 [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5989] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] memfd_create("syzkaller", 0 [pid 5993] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... memfd_create resumed>) = 3 [pid 5989] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5993] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5989] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... mmap resumed>) = 0x7f41a5370000 [pid 5987] <... futex resumed>) = 0 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5987] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5996 attached [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5987] <... futex resumed>) = 0 [pid 5996] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5993] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] <... rseq resumed>) = 0 [pid 5993] rt_sigprocmask(SIG_SETMASK, [] [pid 5994] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5996] set_robust_list(0x7f41ad7909a0, 24 [pid 5995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5992] <... write resumed>) = 1048576 [pid 5989] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] munmap(0x7f41a5370000, 138412032 [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] rt_sigprocmask(SIG_SETMASK, [] [pid 5993] <... futex resumed>) = 0 [pid 5996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5996] memfd_create("syzkaller", 0 [pid 5992] <... munmap resumed>) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5989] mkdirat(AT_FDCWD, NULL, 0777 [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... memfd_create resumed>) = 3 [pid 5989] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5987] <... futex resumed>) = 0 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5992] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5989] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5996] <... mmap resumed>) = 0x7f41a5370000 [pid 5989] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] close(3 [pid 5987] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME) = 4 [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5989] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... futex resumed>) = 0 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... close resumed>) = 0 [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... write resumed>) = 1048576 [pid 5989] <... futex resumed>) = 0 [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] openat(AT_FDCWD, NULL, O_RDWR [pid 5987] <... futex resumed>) = 0 [pid 5989] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5994] munmap(0x7f41a5370000, 138412032 [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... write resumed>) = 1048576 [pid 5994] <... munmap resumed>) = 0 [pid 5992] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 0 [pid 5995] munmap(0x7f41a5370000, 138412032 [pid 5989] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5995] <... munmap resumed>) = 0 [pid 5994] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5992] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5988] <... futex resumed>) = 0 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5994] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5992] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5994] close(3 [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] close(3 [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 0 [pid 5989] sendfile(-1, -1, NULL, 553647746 [pid 5988] <... futex resumed>) = 0 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5989] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... futex resumed>) = 0 [pid 5992] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5989] memfd_create("syzkaller", 0 [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5992] <... futex resumed>) = 0 [pid 5989] <... memfd_create resumed>) = 5 [pid 5988] <... futex resumed>) = 1 [pid 5992] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5992] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] <... mmap resumed>) = 0x7f41a5370000 [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... close resumed>) = 0 [pid 5989] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5996] <... write resumed>) = 1048576 [pid 5995] <... close resumed>) = 0 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... futex resumed>) = 0 [pid 5992] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5996] munmap(0x7f41a5370000, 138412032 [pid 5994] <... futex resumed>) = 1 [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5996] <... munmap resumed>) = 0 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5992] <... futex resumed>) = 1 [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 0 [pid 5996] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5995] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5996] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5995] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5992] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] close(3 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5991] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = 0 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 1 [pid 5992] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5991] <... futex resumed>) = 0 [pid 5995] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5994] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] <... write resumed>) = 262144 [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5992] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5989] munmap(0x7f41a5370000, 138412032 [pid 5988] <... futex resumed>) = 0 [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = 1 [pid 5992] mkdirat(AT_FDCWD, NULL, 0777 [pid 5990] <... futex resumed>) = 0 [pid 5989] <... munmap resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5992] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5995] <... futex resumed>) = 0 [pid 5994] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] <... close resumed>) = 0 [pid 5995] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... futex resumed>) = 0 [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... futex resumed>) = 0 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5989] close(5 [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5994] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... futex resumed>) = 0 [pid 5992] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5992] <... openat resumed>) = 4 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] <... futex resumed>) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = 0 [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5996] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5995] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5994] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5993] <... futex resumed>) = 0 [pid 5992] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 0 [pid 5996] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 1 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... futex resumed>) = 0 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] <... futex resumed>) = 0 [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] exit_group(0 [pid 5996] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5995] mkdirat(AT_FDCWD, NULL, 0777 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5987] <... exit_group resumed>) = ? [pid 5996] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5994] <... futex resumed>) = 1 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = ? [pid 5988] <... futex resumed>) = 0 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] openat(AT_FDCWD, NULL, O_RDWR [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = 0 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5995] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5994] mkdirat(AT_FDCWD, NULL, 0777 [pid 5993] <... futex resumed>) = 0 [pid 5992] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... openat resumed>) = 4 [pid 5994] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5996] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5995] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... futex resumed>) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5989] +++ exited with 0 +++ [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] +++ exited with 0 +++ [pid 5992] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5988] <... futex resumed>) = 0 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5995] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = 0 [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5992] <... futex resumed>) = 0 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] sendfile(-1, -1, NULL, 553647746 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5995] <... futex resumed>) = 1 [pid 5994] <... openat resumed>) = 4 [pid 5992] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] <... futex resumed>) = 0 [pid 5995] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] mkdirat(AT_FDCWD, NULL, 0777 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 0 [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5995] openat(AT_FDCWD, NULL, O_RDWR [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... futex resumed>) = 0 [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5996] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5993] <... futex resumed>) = 0 [pid 5992] memfd_create("syzkaller", 0 [pid 5990] <... futex resumed>) = 0 [pid 5996] <... openat resumed>) = 4 [pid 5995] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5995] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5991] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5995] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... memfd_create resumed>) = 5 [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5996] <... futex resumed>) = 0 [pid 5995] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5996] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5995] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5992] <... mmap resumed>) = 0x7f41a5370000 [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... futex resumed>) = 0 [pid 5996] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5995] sendfile(-1, -1, NULL, 553647746 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... futex resumed>) = 0 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5995] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... futex resumed>) = 0 [pid 5995] memfd_create("syzkaller", 0 [pid 5991] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5995] <... memfd_create resumed>) = 5 ci2-upstream-fs/strace-static-x86_64: Process 5997 attached [pid 5996] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5994] openat(AT_FDCWD, NULL, O_RDWR [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] set_robust_list(0x5555683327a0, 24) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 5997 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5994] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5997] rt_sigprocmask(SIG_SETMASK, [] [pid 5996] <... futex resumed>) = 1 [pid 5995] <... mmap resumed>) = 0x7f41a5370000 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5996] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] <... futex resumed>) = 1 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 0 [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 1 [pid 5997] <... prctl resumed>) = 0 [pid 5996] openat(AT_FDCWD, NULL, O_RDWR [pid 5995] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... write resumed>) = 262144 [pid 5990] <... futex resumed>) = 1 [pid 5997] setpgid(0, 0 [pid 5996] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5994] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5992] munmap(0x7f41a5370000, 138412032 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] <... setpgid resumed>) = 0 [pid 5994] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... munmap resumed>) = 0 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = 1 [pid 5997] <... openat resumed>) = 3 [pid 5996] <... futex resumed>) = 1 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... futex resumed>) = 0 [pid 5992] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5990] <... futex resumed>) = 0 [pid 5997] write(3, "1000", 4 [pid 5996] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... write resumed>) = 262144 [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... write resumed>) = 4 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5992] close(5 [pid 5990] <... futex resumed>) = 1 [pid 5997] close(3 [pid 5996] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5995] munmap(0x7f41a5370000, 138412032 [pid 5994] sendfile(-1, -1, NULL, 553647746 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] <... close resumed>) = 0 [pid 5996] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5995] <... munmap resumed>) = 0 [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] write(1, "executing program\n", 18) = 18 executing program [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5994] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... close resumed>) = 0 [pid 5997] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5992] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5996] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] close(5 [pid 5994] <... futex resumed>) = 1 [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5997] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... futex resumed>) = 0 [pid 5992] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] exit_group(0 [pid 5997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5996] sendfile(-1, -1, NULL, 553647746 [pid 5995] <... close resumed>) = 0 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... futex resumed>) = ? [pid 5990] <... futex resumed>) = 0 [pid 5988] <... exit_group resumed>) = ? [pid 5997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5996] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] memfd_create("syzkaller", 0 [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... memfd_create resumed>) = 5 [pid 5992] +++ exited with 0 +++ [pid 5990] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5997] <... mmap resumed>) = 0x7f41ad770000 [pid 5996] <... futex resumed>) = 1 [pid 5995] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5993] <... futex resumed>) = 0 [pid 5997] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5996] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... futex resumed>) = 1 [pid 5994] <... mmap resumed>) = 0x7f41a5370000 [pid 5991] <... futex resumed>) = 0 [pid 5988] +++ exited with 0 +++ [pid 5993] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... mprotect resumed>) = 0 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5993] <... futex resumed>) = 0 [pid 5991] exit_group(0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5988, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5996] memfd_create("syzkaller", 0 [pid 5993] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5997] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5996] <... memfd_create resumed>) = 5 [pid 5995] <... futex resumed>) = ? [pid 5994] <... write resumed>) = 262144 [pid 5991] <... exit_group resumed>) = ? [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5995] +++ exited with 0 +++ [pid 5994] munmap(0x7f41a5370000, 138412032 [pid 5603] <... restart_syscall resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5998 attached [pid 5996] <... mmap resumed>) = 0x7f41a5370000 [pid 5998] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5997] <... clone3 resumed> => {parent_tid=[5998]}, 88) = 5998 [pid 5996] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5994] <... munmap resumed>) = 0 [pid 5998] <... rseq resumed>) = 0 [pid 5997] rt_sigprocmask(SIG_SETMASK, [] [pid 5991] +++ exited with 0 +++ [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5998] set_robust_list(0x7f41ad7909a0, 24 [pid 5997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5994] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5998] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5997] <... futex resumed>) = 0 [pid 5994] close(5 [pid 5998] memfd_create("syzkaller", 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] <... restart_syscall resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] <... memfd_create resumed>) = 3 ci2-upstream-fs/strace-static-x86_64: Process 5999 attached [pid 5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5996] <... write resumed>) = 262144 [pid 5994] <... close resumed>) = 0 [pid 5998] <... mmap resumed>) = 0x7f41a5370000 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5999] set_robust_list(0x5555683327a0, 24 [pid 5994] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 5999 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5996] munmap(0x7f41a5370000, 138412032 [pid 5994] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5996] <... munmap resumed>) = 0 [pid 5994] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] exit_group(0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5994] <... futex resumed>) = ? [pid 5990] <... exit_group resumed>) = ? [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5999] <... prctl resumed>) = 0 [pid 5996] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] setpgid(0, 0) = 0 [pid 5996] close(5 [pid 5994] +++ exited with 0 +++ [pid 5990] +++ exited with 0 +++ [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ci2-upstream-fs/strace-static-x86_64: Process 6000 attached [pid 5999] <... openat resumed>) = 3 [pid 5996] <... close resumed>) = 0 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5999] write(3, "1000", 4 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6000] set_robust_list(0x5555683327a0, 24 [pid 5999] <... write resumed>) = 4 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6000 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5999] close(3 [pid 5996] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5999] <... close resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5996] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] exit_group(0 [pid 5999] write(1, "executing program\n", 18 executing program [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5999] <... write resumed>) = 18 [pid 5996] <... futex resumed>) = ? [pid 5993] <... exit_group resumed>) = ? [pid 6000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... prctl resumed>) = 0 [pid 6000] setpgid(0, 0) = 0 [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5999] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6000] write(3, "1000", 4) = 4 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6000] close(3) = 0 [pid 6000] write(1, "executing program\n", 18) = 18 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6000] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6001 attached [pid 6000] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5999] <... mmap resumed>) = 0x7f41ad770000 [pid 5998] <... write resumed>) = 1048576 [pid 5996] +++ exited with 0 +++ [pid 5993] +++ exited with 0 +++ [pid 6001] set_robust_list(0x5555683327a0, 24 [pid 6000] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5999] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5998] munmap(0x7f41a5370000, 138412032 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6001 [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5999] <... mprotect resumed>) = 0 [pid 6001] rt_sigprocmask(SIG_SETMASK, [] [pid 6000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5998] <... munmap resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5999] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] <... mmap resumed>) = 0x7f41ad770000 [pid 5998] openat(AT_FDCWD, "/dev/loop4", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6002 attached [pid 6001] <... prctl resumed>) = 0 [pid 6000] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5999] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 5998] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6002] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6001] setpgid(0, 0 [pid 6000] <... mprotect resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_SETMASK, [] [pid 5998] close(3 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6002] <... rseq resumed>) = 0 [pid 6001] <... setpgid resumed>) = 0 [pid 6000] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6002] set_robust_list(0x7f41ad7909a0, 24 [pid 5999] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] rt_sigprocmask(SIG_SETMASK, [] [pid 5999] <... futex resumed>) = 0 [pid 6002] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6002] memfd_create("syzkaller", 0 [pid 6001] <... openat resumed>) = 3 [pid 6000] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6002] <... memfd_create resumed>) = 3 [pid 6001] write(3, "1000", 4 [pid 6000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6004 attached ci2-upstream-fs/strace-static-x86_64: Process 6003 attached [pid 6002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6004] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 6003] set_robust_list(0x5555683327a0, 24 [pid 6002] <... mmap resumed>) = 0x7f41a5370000 [pid 6001] <... write resumed>) = 4 [pid 6000] <... clone3 resumed> => {parent_tid=[6004]}, 88) = 6004 [pid 6004] set_robust_list(0x7f41ad7909a0, 24 [pid 6001] close(3 [pid 6000] rt_sigprocmask(SIG_SETMASK, [] [pid 6003] <... set_robust_list resumed>) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6001] <... close resumed>) = 0 [pid 6000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6003 [pid 6003] rt_sigprocmask(SIG_SETMASK, [] [pid 6001] write(1, "executing program\n", 18 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6001] <... write resumed>) = 18 [pid 6000] <... futex resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_SETMASK, [] [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... close resumed>) = 0 [pid 6004] memfd_create("syzkaller", 0 [pid 6001] <... futex resumed>) = 0 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6003] <... prctl resumed>) = 0 [pid 6001] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6003] setpgid(0, 0 [pid 6001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6004] <... memfd_create resumed>) = 3 [pid 6003] <... setpgid resumed>) = 0 [pid 6001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5997] <... futex resumed>) = 0 [pid 6001] <... mmap resumed>) = 0x7f41ad770000 [pid 5998] <... futex resumed>) = 1 [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... mmap resumed>) = 0x7f41a5370000 [pid 6003] <... openat resumed>) = 3 [pid 6001] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5998] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5997] <... futex resumed>) = 0 [pid 6003] write(3, "1000", 4 [pid 6001] <... mprotect resumed>) = 0 [pid 5998] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... write resumed>) = 4 [pid 6001] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] close(3) = 0 [pid 6001] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5998] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6003] write(1, "executing program\n", 18 executing program [pid 6001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6005 attached [pid 6003] <... write resumed>) = 18 [pid 6002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] <... futex resumed>) = 0 [pid 6005] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... clone3 resumed> => {parent_tid=[6005]}, 88) = 6005 [pid 5998] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... futex resumed>) = 0 [pid 6005] <... rseq resumed>) = 0 [pid 6003] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6001] rt_sigprocmask(SIG_SETMASK, [] [pid 5998] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6005] set_robust_list(0x7f41ad7909a0, 24 [pid 6004] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6003] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6005] rt_sigprocmask(SIG_SETMASK, [] [pid 6003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5998] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] memfd_create("syzkaller", 0 [pid 6003] <... mmap resumed>) = 0x7f41ad770000 [pid 6001] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] <... futex resumed>) = 0 [pid 6005] <... memfd_create resumed>) = 3 [pid 6003] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5998] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... mprotect resumed>) = 0 [pid 5998] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6003] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6005] <... mmap resumed>) = 0x7f41a5370000 [pid 6003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5997] <... futex resumed>) = 0 [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] <... futex resumed>) = 0 [pid 5998] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5997] <... futex resumed>) = 0 [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5998] <... futex resumed>) = 0 [pid 5998] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6006 attached [pid 6006] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 6006] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6006] rt_sigprocmask(SIG_SETMASK, [] [pid 6003] <... clone3 resumed> => {parent_tid=[6006]}, 88) = 6006 [pid 6006] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6003] rt_sigprocmask(SIG_SETMASK, [] [pid 5998] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] memfd_create("syzkaller", 0 [pid 6003] <... futex resumed>) = 0 [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... memfd_create resumed>) = 3 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5998] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] <... mmap resumed>) = 0x7f41a5370000 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5998] mkdirat(AT_FDCWD, NULL, 0777 [pid 5997] <... futex resumed>) = 0 [pid 5998] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6002] <... write resumed>) = 1048576 [pid 5998] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... openat resumed>) = 4 [pid 5997] <... futex resumed>) = 0 [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... futex resumed>) = 0 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] munmap(0x7f41a5370000, 138412032 [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... munmap resumed>) = 0 [pid 5998] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5997] <... futex resumed>) = 0 [pid 6002] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5998] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... write resumed>) = 1048576 [pid 6002] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5998] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6004] munmap(0x7f41a5370000, 138412032 [pid 6002] close(3 [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] <... futex resumed>) = 0 [pid 6004] <... munmap resumed>) = 0 [pid 5998] openat(AT_FDCWD, NULL, O_RDWR) = -1 EFAULT (Bad address) [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5998] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5998] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5997] <... futex resumed>) = 0 [pid 6004] close(3 [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... futex resumed>) = 0 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] sendfile(-1, -1, NULL, 553647746 [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] memfd_create("syzkaller", 0 [pid 5997] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... memfd_create resumed>) = 5 [pid 5997] <... futex resumed>) = 0 [pid 6005] <... write resumed>) = 1048576 [pid 5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5997] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6002] <... close resumed>) = 0 [pid 6005] munmap(0x7f41a5370000, 138412032 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... mmap resumed>) = 0x7f41a5370000 [pid 6005] <... munmap resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 6002] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6005] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6000] <... futex resumed>) = 0 [pid 6005] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] close(3 [pid 6002] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6004] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 1 [pid 6004] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6002] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 6005] <... close resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6002] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... write resumed>) = 262144 [pid 6005] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 6006] <... write resumed>) = 1048576 [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6002] <... futex resumed>) = 1 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 5998] munmap(0x7f41a5370000, 138412032 [pid 6006] munmap(0x7f41a5370000, 138412032 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... munmap resumed>) = 0 [pid 6006] <... munmap resumed>) = 0 [pid 6005] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6005] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6004] <... futex resumed>) = 1 [pid 6002] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5998] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] close(3 [pid 6005] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6004] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6002] <... futex resumed>) = 1 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 5998] close(5 [pid 6005] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6004] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... close resumed>) = 0 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6002] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6005] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6004] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6002] <... futex resumed>) = 1 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 5998] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] exit_group(0 [pid 6006] <... close resumed>) = 0 [pid 6005] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = ? [pid 5997] <... exit_group resumed>) = ? [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6006] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... futex resumed>) = 1 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6006] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6006] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6005] <... futex resumed>) = 0 [pid 6004] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6003] <... futex resumed>) = 0 [pid 6002] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6001] <... futex resumed>) = 1 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] +++ exited with 0 +++ [pid 5997] +++ exited with 0 +++ [pid 6006] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6006] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6006] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6005] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 1 [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... futex resumed>) = 0 [pid 6002] mkdirat(AT_FDCWD, NULL, 0777 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6006] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6005] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6004] mkdirat(AT_FDCWD, NULL, 0777 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6006] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6007 attached [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6007] set_robust_list(0x5555683327a0, 24 [pid 6006] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... set_robust_list resumed>) = 0 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = 1 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_SETMASK, [] [pid 6006] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6005] <... futex resumed>) = 1 [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] <... futex resumed>) = 0 [pid 6002] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6007 [pid 6007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6006] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... openat resumed>) = 4 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6007] <... prctl resumed>) = 0 [pid 6006] <... futex resumed>) = 0 [pid 6005] mkdirat(AT_FDCWD, NULL, 0777 [pid 6004] <... openat resumed>) = 4 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 1 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6007] setpgid(0, 0 [pid 6006] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6005] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 0 [pid 6002] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... setpgid resumed>) = 0 [pid 6006] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = 1 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6000] <... futex resumed>) = 0 [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6007] <... openat resumed>) = 3 [pid 6006] <... futex resumed>) = 1 [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... futex resumed>) = 0 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 6007] write(3, "1000", 4 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... write resumed>) = 4 [pid 6006] mkdirat(AT_FDCWD, NULL, 0777 [pid 6005] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6004] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6003] <... futex resumed>) = 0 [pid 6002] <... futex resumed>) = 0 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] close(3 [pid 6006] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6005] <... openat resumed>) = 4 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... close resumed>) = 0 [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] write(1, "executing program\n", 18 [pid 6006] <... futex resumed>) = 0 executing program [pid 6005] <... futex resumed>) = 1 [pid 6004] openat(AT_FDCWD, NULL, O_RDWR [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = 1 [pid 6007] <... write resumed>) = 18 [pid 6006] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6003] <... futex resumed>) = 0 [pid 6002] openat(AT_FDCWD, NULL, O_RDWR [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... openat resumed>) = 4 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 0 [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6004] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6006] <... futex resumed>) = 0 [pid 6005] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 1 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = 0 [pid 6007] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] <... futex resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6005] <... futex resumed>) = 1 [pid 6004] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6006] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6006] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6002] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = 0 [pid 6007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6001] <... futex resumed>) = 0 [pid 6007] <... mmap resumed>) = 0x7f41ad770000 [pid 6006] <... futex resumed>) = 1 [pid 6005] openat(AT_FDCWD, NULL, O_RDWR [pid 6004] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6006] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... mprotect resumed>) = 0 [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6006] openat(AT_FDCWD, NULL, O_RDWR [pid 6005] <... futex resumed>) = 1 [pid 6004] sendfile(-1, -1, NULL, 553647746 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 6007] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6006] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] sendfile(-1, -1, NULL, 553647746 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6008 attached [pid 6006] <... futex resumed>) = 1 [pid 6005] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6004] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... futex resumed>) = 0 [pid 6008] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6007] <... clone3 resumed> => {parent_tid=[6008]}, 88) = 6008 [pid 6006] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 1 [pid 6000] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = 0 [pid 6008] <... rseq resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_SETMASK, [] [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] set_robust_list(0x7f41ad7909a0, 24 [pid 6007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6006] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6005] <... futex resumed>) = 1 [pid 6004] memfd_create("syzkaller", 0 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] <... futex resumed>) = 0 [pid 6000] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... memfd_create resumed>) = 5 [pid 6002] memfd_create("syzkaller", 0 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] rt_sigprocmask(SIG_SETMASK, [] [pid 6007] <... futex resumed>) = 0 [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6001] <... futex resumed>) = 0 [pid 6002] <... memfd_create resumed>) = 5 [pid 6005] sendfile(-1, -1, NULL, 553647746 [pid 6008] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] <... futex resumed>) = 1 [pid 6005] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... mmap resumed>) = 0x7f41a5370000 [pid 6003] <... futex resumed>) = 0 [pid 6002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] memfd_create("syzkaller", 0 [pid 6006] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... mmap resumed>) = 0x7f41a5370000 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... memfd_create resumed>) = 3 [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6001] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6005] memfd_create("syzkaller", 0 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] <... futex resumed>) = 0 [pid 6008] <... mmap resumed>) = 0x7f41a5370000 [pid 6001] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] sendfile(-1, -1, NULL, 553647746 [pid 6005] <... memfd_create resumed>) = 5 [pid 6004] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6006] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6006] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6006] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] memfd_create("syzkaller", 0 [pid 6005] <... mmap resumed>) = 0x7f41a5370000 [pid 6003] <... futex resumed>) = 0 [pid 6006] <... memfd_create resumed>) = 5 [pid 6002] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6003] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] <... mmap resumed>) = 0x7f41a5370000 [pid 6006] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6004] <... write resumed>) = 262144 [pid 6002] <... write resumed>) = 262144 [pid 6005] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6006] <... write resumed>) = 262144 [pid 6004] munmap(0x7f41a5370000, 138412032 [pid 6002] munmap(0x7f41a5370000, 138412032 [pid 6006] munmap(0x7f41a5370000, 138412032 [pid 6008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6005] <... write resumed>) = 262144 [pid 6004] <... munmap resumed>) = 0 [pid 6002] <... munmap resumed>) = 0 [pid 6006] <... munmap resumed>) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6005] munmap(0x7f41a5370000, 138412032 [pid 6006] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6005] <... munmap resumed>) = 0 [pid 6004] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6002] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6005] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6004] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] close(5 [pid 6005] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] close(5 [pid 6002] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] <... close resumed>) = 0 [pid 6005] close(5 [pid 6002] close(5 [pid 6006] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... write resumed>) = 1048576 [pid 6005] <... close resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 6002] <... close resumed>) = 0 [pid 6008] munmap(0x7f41a5370000, 138412032 [pid 6006] <... futex resumed>) = 1 [pid 6005] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 0 [pid 6002] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... munmap resumed>) = 0 [pid 6006] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 1 [pid 6003] exit_group(0 [pid 6002] <... futex resumed>) = 1 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 6008] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6006] <... futex resumed>) = ? [pid 6005] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] <... exit_group resumed>) = ? [pid 6002] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] exit_group(0 [pid 6000] exit_group(0 [pid 5999] exit_group(0 [pid 6008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] +++ exited with 0 +++ [pid 6005] <... futex resumed>) = ? [pid 6004] <... futex resumed>) = ? [pid 6002] <... futex resumed>) = ? [pid 6001] <... exit_group resumed>) = ? [pid 6000] <... exit_group resumed>) = ? [pid 5999] <... exit_group resumed>) = ? [pid 6008] close(3 [pid 6003] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6002] +++ exited with 0 +++ [pid 5999] +++ exited with 0 +++ [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6005] +++ exited with 0 +++ [pid 6001] +++ exited with 0 +++ [pid 5603] <... restart_syscall resumed>) = 0 [pid 6008] <... close resumed>) = 0 [pid 6004] +++ exited with 0 +++ [pid 6000] +++ exited with 0 +++ [pid 5605] <... restart_syscall resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6007] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6008] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6008] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6007] <... futex resumed>) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6008] <... futex resumed>) = 1 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6007] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6008] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6008] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6007] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6008] <... futex resumed>) = 0 [pid 6007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6011 attached ci2-upstream-fs/strace-static-x86_64: Process 6010 attached ci2-upstream-fs/strace-static-x86_64: Process 6009 attached [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] set_robust_list(0x5555683327a0, 24 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6010 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6009 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6011 [pid 6008] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6010] set_robust_list(0x5555683327a0, 24 [pid 6008] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] set_robust_list(0x5555683327a0, 24 [pid 6008] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6008] <... futex resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6009] rt_sigprocmask(SIG_SETMASK, [] [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] rt_sigprocmask(SIG_SETMASK, [] [pid 6010] rt_sigprocmask(SIG_SETMASK, [] [pid 6011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6011] <... prctl resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6009] <... prctl resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6010] <... prctl resumed>) = 0 [pid 6009] setpgid(0, 0 [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] setpgid(0, 0) = 0 [pid 6008] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0) = -1 EBADF (Bad file descriptor) [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6007] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6012 attached [pid 6011] setpgid(0, 0 [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6009] <... setpgid resumed>) = 0 [pid 6008] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] set_robust_list(0x5555683327a0, 24 [pid 6011] <... setpgid resumed>) = 0 [pid 6010] <... openat resumed>) = 3 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6007] <... futex resumed>) = 0 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6012] rt_sigprocmask(SIG_SETMASK, [] [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] setpgid(0, 0 [pid 6009] <... openat resumed>) = 3 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... setpgid resumed>) = 0 [pid 6011] <... openat resumed>) = 3 [pid 6010] write(3, "1000", 4 [pid 6008] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... write resumed>) = 4 [pid 6012] <... openat resumed>) = 3 [pid 6011] write(3, "1000", 4 [pid 6010] close(3 [pid 6009] write(3, "1000", 4 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... futex resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6012 [pid 6012] write(3, "1000", 4 [pid 6011] <... write resumed>) = 4 [pid 6010] <... close resumed>) = 0 [pid 6009] <... write resumed>) = 4 [pid 6008] mkdirat(AT_FDCWD, NULL, 0777 [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] <... write resumed>) = 4 [pid 6011] close(3 [pid 6010] write(1, "executing program\n", 18 [pid 6009] close(3 [pid 6008] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5601] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 6012] close(3 [pid 6011] <... close resumed>) = 0 [pid 6010] <... write resumed>) = 18 [pid 6009] <... close resumed>) = 0 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6012] <... close resumed>) = 0 [pid 6011] write(1, "executing program\n", 18 [pid 6009] write(1, "executing program\n", 18 [pid 6008] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 executing program executing program [pid 6012] write(1, "executing program\n", 18 [pid 6011] <... write resumed>) = 18 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... write resumed>) = 18 [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... write resumed>) = 18 [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 0 [pid 6008] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6011] <... futex resumed>) = 0 [pid 6010] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6009] <... futex resumed>) = 0 [pid 6008] <... openat resumed>) = 4 [pid 6012] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6011] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6010] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6009] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6011] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6009] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6010] <... mmap resumed>) = 0x7f41ad770000 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6009] <... mmap resumed>) = 0x7f41ad770000 [pid 6008] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6011] <... mmap resumed>) = 0x7f41ad770000 [pid 6010] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6009] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... mmap resumed>) = 0x7f41ad770000 [pid 6011] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6010] <... mprotect resumed>) = 0 [pid 6009] <... mprotect resumed>) = 0 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... futex resumed>) = 0 [pid 6012] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6008] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6011] <... mprotect resumed>) = 0 [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] <... mprotect resumed>) = 0 [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6008] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6012] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6011] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6009] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6010] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6008] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6011] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6014 attached [pid 6012] <... clone3 resumed> => {parent_tid=[6013]}, 88) = 6013 [pid 6008] openat(AT_FDCWD, NULL, O_RDWR [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6013 attached [pid 6014] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6009] <... clone3 resumed> => {parent_tid=[6014]}, 88) = 6014 [pid 6013] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053ci2-upstream-fs/strace-static-x86_64: Process 6016 attached ci2-upstream-fs/strace-static-x86_64: Process 6015 attached [pid 6014] <... rseq resumed>) = 0 [pid 6013] <... rseq resumed>) = 0 [pid 6012] rt_sigprocmask(SIG_SETMASK, [] [pid 6010] <... clone3 resumed> => {parent_tid=[6015]}, 88) = 6015 [pid 6009] rt_sigprocmask(SIG_SETMASK, [] [pid 6008] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6016] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6015] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6014] set_robust_list(0x7f41ad7909a0, 24 [pid 6013] set_robust_list(0x7f41ad7909a0, 24 [pid 6012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6011] <... clone3 resumed> => {parent_tid=[6016]}, 88) = 6016 [pid 6010] rt_sigprocmask(SIG_SETMASK, [] [pid 6009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... rseq resumed>) = 0 [pid 6015] <... rseq resumed>) = 0 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6011] rt_sigprocmask(SIG_SETMASK, [] [pid 6010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] set_robust_list(0x7f41ad7909a0, 24 [pid 6015] set_robust_list(0x7f41ad7909a0, 24 [pid 6014] rt_sigprocmask(SIG_SETMASK, [] [pid 6013] rt_sigprocmask(SIG_SETMASK, [] [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] rt_sigprocmask(SIG_SETMASK, [] [pid 6015] rt_sigprocmask(SIG_SETMASK, [] [pid 6014] memfd_create("syzkaller", 0 [pid 6013] memfd_create("syzkaller", 0 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... futex resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6015] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6014] <... memfd_create resumed>) = 3 [pid 6013] <... memfd_create resumed>) = 3 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] memfd_create("syzkaller", 0 [pid 6015] memfd_create("syzkaller", 0 [pid 6014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6008] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6016] <... memfd_create resumed>) = 3 [pid 6015] <... memfd_create resumed>) = 3 [pid 6014] <... mmap resumed>) = 0x7f41a5370000 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6008] <... futex resumed>) = 1 [pid 6015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6013] <... mmap resumed>) = 0x7f41a5370000 [pid 6007] <... futex resumed>) = 0 [pid 6016] <... mmap resumed>) = 0x7f41a5370000 [pid 6015] <... mmap resumed>) = 0x7f41a5370000 [pid 6014] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] sendfile(-1, -1, NULL, 553647746) = -1 EBADF (Bad file descriptor) [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] memfd_create("syzkaller", 0 [pid 6007] <... futex resumed>) = 0 [pid 6008] <... memfd_create resumed>) = 5 [pid 6007] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6013] <... write resumed>) = 1048576 [pid 6015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6013] munmap(0x7f41a5370000, 138412032 [pid 6008] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6013] <... munmap resumed>) = 0 [pid 6013] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6013] close(3 [pid 6014] <... write resumed>) = 1048576 [pid 6008] <... write resumed>) = 262144 [pid 6008] munmap(0x7f41a5370000, 138412032 [pid 6014] munmap(0x7f41a5370000, 138412032 [pid 6013] <... close resumed>) = 0 [pid 6014] <... munmap resumed>) = 0 [pid 6008] <... munmap resumed>) = 0 [pid 6008] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6014] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6013] <... futex resumed>) = 1 [pid 6008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6013] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] close(3 [pid 6012] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] close(5 [pid 6012] <... futex resumed>) = 1 [pid 6013] <... futex resumed>) = 0 [pid 6013] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6012] <... futex resumed>) = 0 [pid 6013] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... close resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... write resumed>) = 1048576 [pid 6013] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6012] <... futex resumed>) = 0 [pid 6008] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] munmap(0x7f41a5370000, 138412032 [pid 6015] <... write resumed>) = 1048576 [pid 6013] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6016] <... munmap resumed>) = 0 [pid 6015] munmap(0x7f41a5370000, 138412032 [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] exit_group(0 [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6012] <... futex resumed>) = 0 [pid 6013] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... futex resumed>) = ? [pid 6007] <... exit_group resumed>) = ? [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6015] <... munmap resumed>) = 0 [pid 6014] <... close resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6008] +++ exited with 0 +++ [pid 6007] +++ exited with 0 +++ [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6012] <... futex resumed>) = 0 [pid 6015] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6016] close(3 [pid 6015] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 6015] close(3 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6014] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6009] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6014] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6014] <... futex resumed>) = 0 [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6013] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6014] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6013] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] mkdirat(AT_FDCWD, NULL, 0777 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6014] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6013] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6014] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 0 [pid 6016] <... close resumed>) = 0 [pid 6015] <... close resumed>) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6013] <... openat resumed>) = 4 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6016] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6015] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6014] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6013] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6012] <... futex resumed>) = 0 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6015] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6014] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6018 attached [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] set_robust_list(0x5555683327a0, 24 [pid 6016] <... futex resumed>) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] <... futex resumed>) = 0 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] openat(AT_FDCWD, NULL, O_RDWR [pid 6011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] rt_sigprocmask(SIG_SETMASK, [] [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... futex resumed>) = 0 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6018 [pid 6013] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6015] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... futex resumed>) = 1 [pid 6010] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6015] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6014] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6018] <... prctl resumed>) = 0 [pid 6016] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... futex resumed>) = 0 [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] setpgid(0, 0 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... setpgid resumed>) = 0 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] <... futex resumed>) = 1 [pid 6015] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6014] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6013] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... openat resumed>) = 3 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = 1 [pid 6013] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6018] write(3, "1000", 4 [pid 6009] <... futex resumed>) = 0 [pid 6016] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6015] <... futex resumed>) = 1 [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6018] <... write resumed>) = 4 [pid 6016] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] close(3 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] mkdirat(AT_FDCWD, NULL, 0777 [pid 6013] sendfile(-1, -1, NULL, 553647746 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 1 [pid 6015] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6013] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... close resumed>) = 0 [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] write(1, "executing program\n", 18 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6018] <... write resumed>) = 18 [pid 6016] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6015] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 1 [pid 6012] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] memfd_create("syzkaller", 0 [pid 6012] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6018] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... memfd_create resumed>) = 5 [pid 6012] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6018] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6016] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6014] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6014] <... openat resumed>) = 4 [pid 6013] <... mmap resumed>) = 0x7f41a5370000 [pid 6018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = 1 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6016] mkdirat(AT_FDCWD, NULL, 0777 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6018] <... mmap resumed>) = 0x7f41ad770000 [pid 6016] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6015] mkdirat(AT_FDCWD, NULL, 0777 [pid 6014] <... futex resumed>) = 1 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... futex resumed>) = 0 [pid 6018] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6018] <... mprotect resumed>) = 0 [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6016] <... openat resumed>) = 4 [pid 6015] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... openat resumed>) = 4 [pid 6014] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6013] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6019 attached [pid 6015] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 1 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6019] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6018] <... clone3 resumed> => {parent_tid=[6019]}, 88) = 6019 [pid 6019] <... rseq resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [] [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6014] openat(AT_FDCWD, NULL, O_RDWR [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] set_robust_list(0x7f41ad7909a0, 24 [pid 6018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6016] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6015] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6014] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6013] <... write resumed>) = 262144 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] munmap(0x7f41a5370000, 138412032 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] rt_sigprocmask(SIG_SETMASK, [] [pid 6018] <... futex resumed>) = 0 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6013] <... munmap resumed>) = 0 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] memfd_create("syzkaller", 0 [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6019] <... memfd_create resumed>) = 3 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] openat(AT_FDCWD, NULL, O_RDWR [pid 6014] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6013] close(5 [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6016] openat(AT_FDCWD, NULL, O_RDWR [pid 6015] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6014] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] <... mmap resumed>) = 0x7f41a5370000 [pid 6016] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... close resumed>) = 0 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 1 [pid 6013] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] sendfile(-1, -1, NULL, 553647746 [pid 6016] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] exit_group(0 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6016] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6015] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = ? [pid 6012] <... exit_group resumed>) = ? [pid 6011] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6014] <... futex resumed>) = 0 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] <... futex resumed>) = 0 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] memfd_create("syzkaller", 0 [pid 6013] +++ exited with 0 +++ [pid 6012] +++ exited with 0 +++ [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6016] sendfile(-1, -1, NULL, 553647746 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... memfd_create resumed>) = 5 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6016] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] sendfile(-1, -1, NULL, 553647746 [pid 6014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... mmap resumed>) = 0x7f41a5370000 [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6011] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] memfd_create("syzkaller", 0 [pid 6011] <... futex resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6015] <... futex resumed>) = 1 [pid 6010] <... futex resumed>) = 0 [pid 6016] <... memfd_create resumed>) = 5 [pid 6015] memfd_create("syzkaller", 0 [pid 6011] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6010] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6019] <... write resumed>) = 1048576 [pid 6016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6015] <... memfd_create resumed>) = 5 [pid 6014] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6010] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6019] munmap(0x7f41a5370000, 138412032 [pid 6016] <... mmap resumed>) = 0x7f41a5370000 [pid 6015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] <... munmap resumed>) = 0 [pid 6015] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6020 attached [pid 6019] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6020] set_robust_list(0x5555683327a0, 24 [pid 6015] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6014] <... write resumed>) = 262144 [pid 6010] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6020 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6016] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6014] munmap(0x7f41a5370000, 138412032 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6019] close(3 [pid 6020] rt_sigprocmask(SIG_SETMASK, [] [pid 6014] <... munmap resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6014] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6019] <... close resumed>) = 0 [pid 6016] <... write resumed>) = 262144 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6019] <... futex resumed>) = 1 [pid 6020] <... prctl resumed>) = 0 [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] <... futex resumed>) = 0 [pid 6020] setpgid(0, 0 [pid 6015] <... write resumed>) = 262144 [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] close(5 [pid 6020] <... setpgid resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6016] munmap(0x7f41a5370000, 138412032 [pid 6014] <... close resumed>) = 0 [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] <... openat resumed>) = 3 [pid 6019] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6016] <... munmap resumed>) = 0 [pid 6015] munmap(0x7f41a5370000, 138412032 [pid 6014] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] write(3, "1000", 4 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6015] <... munmap resumed>) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 6020] <... write resumed>) = 4 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] exit_group(0 [pid 6020] close(3 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = 0 [pid 6009] <... exit_group resumed>) = ? [pid 6020] <... close resumed>) = 0 [pid 6019] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] write(1, "executing program\n", 18 [pid 6019] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6016] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6015] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6020] <... write resumed>) = 18 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] close(5 [pid 6015] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 0 [pid 6019] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] close(5 [pid 6020] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6019] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... futex resumed>) = 0 [pid 6020] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... close resumed>) = 0 [pid 6015] <... close resumed>) = 0 [pid 6014] +++ exited with 0 +++ [pid 6009] +++ exited with 0 +++ [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = 0 [pid 6016] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6020] <... mmap resumed>) = 0x7f41ad770000 [pid 6019] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... futex resumed>) = 1 [pid 6015] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6020] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6019] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... futex resumed>) = 1 [pid 6011] exit_group(0 [pid 6010] <... futex resumed>) = 0 [pid 6020] <... mprotect resumed>) = 0 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = ? [pid 6015] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... exit_group resumed>) = ? [pid 6010] exit_group(0 [pid 6020] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6016] +++ exited with 0 +++ [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6010] <... exit_group resumed>) = ? [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... futex resumed>) = ? [pid 5603] <... restart_syscall resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6021 attached [pid 6019] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6011] +++ exited with 0 +++ [pid 6021] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6020] <... clone3 resumed> => {parent_tid=[6021]}, 88) = 6021 [pid 6021] <... rseq resumed>) = 0 [pid 6020] rt_sigprocmask(SIG_SETMASK, [] [pid 6021] set_robust_list(0x7f41ad7909a0, 24 [pid 6020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6015] +++ exited with 0 +++ [pid 6010] +++ exited with 0 +++ [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6021] rt_sigprocmask(SIG_SETMASK, [] [pid 6020] <... futex resumed>) = 0 [pid 6019] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6021] memfd_create("syzkaller", 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6021] <... memfd_create resumed>) = 3 [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6021] <... mmap resumed>) = 0x7f41a5370000 [pid 6019] mkdirat(AT_FDCWD, NULL, 0777) = -1 EFAULT (Bad address) [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6022 attached ) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6023 attached [pid 6022] set_robust_list(0x5555683327a0, 24 [pid 6021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6019] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6022 [pid 6023] set_robust_list(0x5555683327a0, 24 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6019] <... openat resumed>) = 4 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] rt_sigprocmask(SIG_SETMASK, [] [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6023 [pid 6022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6023] rt_sigprocmask(SIG_SETMASK, [] [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6022] <... prctl resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] setpgid(0, 0 [pid 6019] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6023] <... prctl resumed>) = 0 [pid 6022] <... setpgid resumed>) = 0 [pid 6019] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6023] setpgid(0, 0 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6023] <... setpgid resumed>) = 0 [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] openat(AT_FDCWD, NULL, O_RDWR [pid 6018] <... futex resumed>) = 0 [pid 6023] <... openat resumed>) = 3 [pid 6023] write(3, "1000", 4ci2-upstream-fs/strace-static-x86_64: Process 6024 attached [pid 6022] <... openat resumed>) = 3 [pid 6021] <... write resumed>) = 1048576 [pid 6019] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] write(3, "1000", 4 [pid 6024] set_robust_list(0x5555683327a0, 24 [pid 6023] <... write resumed>) = 4 [pid 6022] <... write resumed>) = 4 [pid 6021] munmap(0x7f41a5370000, 138412032 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6024 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] close(3 [pid 6022] close(3 [pid 6021] <... munmap resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6024] rt_sigprocmask(SIG_SETMASK, [] [pid 6023] <... close resumed>) = 0 [pid 6022] <... close resumed>) = 0 [pid 6021] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6019] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6023] write(1, "executing program\n", 18 [pid 6022] write(1, "executing program\n", 18 [pid 6021] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6023] <... write resumed>) = 18 [pid 6022] <... write resumed>) = 18 [pid 6019] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6018] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] close(3 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] <... prctl resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] setpgid(0, 0 [pid 6023] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6022] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6021] <... close resumed>) = 0 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... setpgid resumed>) = 0 [pid 6023] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] sendfile(-1, -1, NULL, 553647746 [pid 6018] <... futex resumed>) = 0 [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6021] <... futex resumed>) = 1 [pid 6024] <... openat resumed>) = 3 [pid 6023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] <... futex resumed>) = 0 [pid 6019] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6024] write(3, "1000", 4 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6022] <... mmap resumed>) = 0x7f41ad770000 [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... write resumed>) = 4 [pid 6023] <... mmap resumed>) = 0x7f41ad770000 [pid 6022] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6019] <... futex resumed>) = 0 [pid 6018] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] close(3 [pid 6023] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6022] <... mprotect resumed>) = 0 [pid 6021] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] memfd_create("syzkaller", 0 [pid 6024] <... close resumed>) = 0 [pid 6024] write(1, "executing program\n", 18 [pid 6023] <... mprotect resumed>) = 0 executing program [pid 6022] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6021] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6019] <... memfd_create resumed>) = 5 [pid 6018] <... futex resumed>) = 0 [pid 6024] <... write resumed>) = 18 [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6022] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6018] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6021] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6019] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6025 attached [pid 6024] <... futex resumed>) = 0 [pid 6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6026 attached [pid 6025] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6024] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6022] <... clone3 resumed> => {parent_tid=[6025]}, 88) = 6025 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6026] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6025] <... rseq resumed>) = 0 [pid 6024] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6023] <... clone3 resumed> => {parent_tid=[6026]}, 88) = 6026 [pid 6022] rt_sigprocmask(SIG_SETMASK, [] [pid 6021] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6026] <... rseq resumed>) = 0 [pid 6025] set_robust_list(0x7f41ad7909a0, 24 [pid 6024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6023] rt_sigprocmask(SIG_SETMASK, [] [pid 6022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6021] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6026] set_robust_list(0x7f41ad7909a0, 24 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... set_robust_list resumed>) = 0 [pid 6025] rt_sigprocmask(SIG_SETMASK, [] [pid 6024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [] [pid 6025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6024] <... mmap resumed>) = 0x7f41ad770000 [pid 6023] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... write resumed>) = 262144 [pid 6026] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6025] memfd_create("syzkaller", 0 [pid 6024] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6019] munmap(0x7f41a5370000, 138412032 [pid 6026] memfd_create("syzkaller", 0 [pid 6024] <... mprotect resumed>) = 0 [pid 6025] <... memfd_create resumed>) = 3 [pid 6026] <... memfd_create resumed>) = 3 [pid 6024] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6021] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6024] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6021] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... mmap resumed>) = 0x7f41a5370000 [pid 6019] <... munmap resumed>) = 0 [pid 6024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6025] <... mmap resumed>) = 0x7f41a5370000 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] openat(AT_FDCWD, "/dev/loop4", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6027 attached [pid 6021] <... futex resumed>) = 1 [pid 6019] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6019] close(5 [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] <... futex resumed>) = 0 [pid 6024] <... clone3 resumed> => {parent_tid=[6027]}, 88) = 6027 [pid 6027] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6024] rt_sigprocmask(SIG_SETMASK, [] [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... rseq resumed>) = 0 [pid 6024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6027] set_robust_list(0x7f41ad7909a0, 24 [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] <... close resumed>) = 0 [pid 6027] <... set_robust_list resumed>) = 0 [pid 6027] rt_sigprocmask(SIG_SETMASK, [] [pid 6024] <... futex resumed>) = 0 [pid 6021] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6019] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] memfd_create("syzkaller", 0 [pid 6021] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6027] <... memfd_create resumed>) = 3 [pid 6026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] exit_group(0 [pid 6027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6020] <... futex resumed>) = 0 [pid 6018] <... exit_group resumed>) = ? [pid 6019] <... futex resumed>) = ? [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... mmap resumed>) = 0x7f41a5370000 [pid 6021] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6019] +++ exited with 0 +++ [pid 6018] +++ exited with 0 +++ [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6021] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6021] mkdirat(AT_FDCWD, NULL, 0777 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 6021] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... openat resumed>) = 4 [pid 6020] <... futex resumed>) = 0 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6021] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24) = -1 EINVAL (Invalid argument) [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6021] openat(AT_FDCWD, NULL, O_RDWR [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6021] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6028 attached ) = 1 [pid 6020] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6028 [pid 6028] set_robust_list(0x5555683327a0, 24) = 0 [pid 6021] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6028] rt_sigprocmask(SIG_SETMASK, [] [pid 6025] <... write resumed>) = 1048576 [pid 6021] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6020] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6026] <... write resumed>) = 1048576 [pid 6025] munmap(0x7f41a5370000, 138412032 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] sendfile(-1, -1, NULL, 553647746 [pid 6020] <... futex resumed>) = 0 [pid 6021] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] munmap(0x7f41a5370000, 138412032 [pid 6025] <... munmap resumed>) = 0 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... prctl resumed>) = 0 [pid 6026] <... munmap resumed>) = 0 [pid 6025] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] setpgid(0, 0 [pid 6026] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6025] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... setpgid resumed>) = 0 [pid 6027] <... write resumed>) = 1048576 [pid 6026] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6025] close(3 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6027] munmap(0x7f41a5370000, 138412032 [pid 6026] close(3 [pid 6021] memfd_create("syzkaller", 0 [pid 6020] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] <... munmap resumed>) = 0 [pid 6028] <... openat resumed>) = 3 [pid 6027] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6021] <... memfd_create resumed>) = 5 [pid 6028] write(3, "1000", 4) = 4 [pid 6027] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6028] close(3 [pid 6027] close(3 [pid 6028] <... close resumed>) = 0 [pid 6021] <... mmap resumed>) = 0x7f41a5370000 [pid 6028] write(1, "executing program\n", 18) = 18 executing program [pid 6025] <... close resumed>) = 0 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... close resumed>) = 0 [pid 6026] <... close resumed>) = 0 [pid 6021] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = 0 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6028] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6027] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 1 [pid 6025] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... write resumed>) = 262144 [pid 6028] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6021] munmap(0x7f41a5370000, 138412032 [pid 6028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6027] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6026] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6025] <... futex resumed>) = 0 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... munmap resumed>) = 0 [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6027] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6026] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6028] <... mmap resumed>) = 0x7f41ad770000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] <... futex resumed>) = 0 [pid 6021] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6028] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6027] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 1 [pid 6025] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] close(5 [pid 6027] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6025] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... mprotect resumed>) = 0 [pid 6028] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6027] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6026] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6021] <... close resumed>) = 0 [pid 6028] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... futex resumed>) = 0 [pid 6021] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6027] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 0 [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6029 attached [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6021] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] exit_group(0 [pid 6029] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6028] <... clone3 resumed> => {parent_tid=[6029]}, 88) = 6029 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] <... futex resumed>) = ? [pid 6020] <... exit_group resumed>) = ? [pid 6029] <... rseq resumed>) = 0 [pid 6028] rt_sigprocmask(SIG_SETMASK, [] [pid 6027] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6026] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6025] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] +++ exited with 0 +++ [pid 6029] set_robust_list(0x7f41ad7909a0, 24 [pid 6028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6027] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] +++ exited with 0 +++ [pid 6029] <... set_robust_list resumed>) = 0 [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [] [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 1 [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6029] memfd_create("syzkaller", 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6029] <... memfd_create resumed>) = 3 [pid 6027] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6026] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6025] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6027] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... mmap resumed>) = 0x7f41a5370000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6026] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 1 [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6030 attached [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] set_robust_list(0x5555683327a0, 24 [pid 6027] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6026] <... futex resumed>) = 0 [pid 6025] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6026] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] rt_sigprocmask(SIG_SETMASK, [] [pid 6025] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6027] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6030 [pid 6030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] <... futex resumed>) = 1 [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6030] <... prctl resumed>) = 0 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... futex resumed>) = 1 [pid 6025] mkdirat(AT_FDCWD, NULL, 0777 [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] setpgid(0, 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] mkdirat(AT_FDCWD, NULL, 0777 [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6030] <... setpgid resumed>) = 0 [pid 6027] mkdirat(AT_FDCWD, NULL, 0777 [pid 6026] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... futex resumed>) = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... futex resumed>) = 0 [pid 6030] <... openat resumed>) = 3 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = 0 [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] write(3, "1000", 4 [pid 6027] <... futex resumed>) = 1 [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6030] <... write resumed>) = 4 [pid 6029] <... write resumed>) = 1048576 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] close(3 [pid 6029] munmap(0x7f41a5370000, 138412032 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6025] <... openat resumed>) = 4 [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... close resumed>) = 0 [pid 6029] <... munmap resumed>) = 0 [pid 6027] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6026] <... openat resumed>) = 4 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] write(1, "executing program\n", 18 [pid 6029] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6027] <... openat resumed>) = 4 executing program [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6030] <... write resumed>) = 18 [pid 6029] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = 1 [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] close(3 [pid 6027] <... futex resumed>) = 1 [pid 6026] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6025] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6027] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6026] <... futex resumed>) = 0 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6029] <... close resumed>) = 0 [pid 6027] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... futex resumed>) = 1 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6026] openat(AT_FDCWD, NULL, O_RDWR [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... futex resumed>) = 0 [pid 6030] <... mmap resumed>) = 0x7f41ad770000 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6025] openat(AT_FDCWD, NULL, O_RDWR [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6024] <... futex resumed>) = 0 [pid 6030] <... mprotect resumed>) = 0 [pid 6029] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] openat(AT_FDCWD, NULL, O_RDWR [pid 6026] <... futex resumed>) = 1 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... futex resumed>) = 0 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6029] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6027] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6025] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6030] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6026] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6031 attached [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6025] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6030] <... clone3 resumed> => {parent_tid=[6031]}, 88) = 6031 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] <... rseq resumed>) = 0 [pid 6030] rt_sigprocmask(SIG_SETMASK, [] [pid 6029] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6026] <... futex resumed>) = 0 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] set_robust_list(0x7f41ad7909a0, 24 [pid 6030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6029] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6027] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... futex resumed>) = 1 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] rt_sigprocmask(SIG_SETMASK, [] [pid 6030] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6026] sendfile(-1, -1, NULL, 553647746 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... futex resumed>) = 0 [pid 6031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] sendfile(-1, -1, NULL, 553647746 [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] memfd_create("syzkaller", 0 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... futex resumed>) = 0 [pid 6031] <... memfd_create resumed>) = 3 [pid 6029] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] sendfile(-1, -1, NULL, 553647746 [pid 6026] <... futex resumed>) = 1 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... futex resumed>) = 0 [pid 6031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6029] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... futex resumed>) = 1 [pid 6023] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6031] <... mmap resumed>) = 0x7f41a5370000 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = 0 [pid 6022] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6026] memfd_create("syzkaller", 0 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6022] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] memfd_create("syzkaller", 0 [pid 6024] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] <... memfd_create resumed>) = 5 [pid 6022] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6024] <... futex resumed>) = 0 [pid 6029] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] memfd_create("syzkaller", 0 [pid 6025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6024] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6029] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... memfd_create resumed>) = 5 [pid 6025] <... mmap resumed>) = 0x7f41a5370000 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6026] <... memfd_create resumed>) = 5 [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... mmap resumed>) = 0x7f41a5370000 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6029] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6025] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6027] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6031] <... write resumed>) = 1048576 [pid 6029] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6026] <... write resumed>) = 262144 [pid 6025] <... write resumed>) = 262144 [pid 6031] munmap(0x7f41a5370000, 138412032 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] munmap(0x7f41a5370000, 138412032 [pid 6031] <... munmap resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... write resumed>) = 262144 [pid 6026] <... munmap resumed>) = 0 [pid 6025] munmap(0x7f41a5370000, 138412032 [pid 6031] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] munmap(0x7f41a5370000, 138412032 [pid 6025] <... munmap resumed>) = 0 [pid 6031] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6027] <... munmap resumed>) = 0 [pid 6026] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6025] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6031] close(3 [pid 6029] mkdirat(AT_FDCWD, NULL, 0777 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6026] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6025] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6029] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6025] close(5 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6026] close(5 [pid 6027] close(5 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... close resumed>) = 0 [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6024] <... futex resumed>) = 0 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] exit_group(0 [pid 6031] <... close resumed>) = 0 [pid 6029] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6027] <... futex resumed>) = ? [pid 6026] <... close resumed>) = 0 [pid 6025] <... close resumed>) = 0 [pid 6024] <... exit_group resumed>) = ? [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... openat resumed>) = 4 [pid 6027] +++ exited with 0 +++ [pid 6026] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = 1 [pid 6025] <... futex resumed>) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6024] +++ exited with 0 +++ [pid 6031] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6026] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] exit_group(0 [pid 6022] exit_group(0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = ? [pid 6025] <... futex resumed>) = ? [pid 6023] <... exit_group resumed>) = ? [pid 6022] <... exit_group resumed>) = ? [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6031] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6026] +++ exited with 0 +++ [pid 6025] +++ exited with 0 +++ [pid 6031] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6022] +++ exited with 0 +++ [pid 6029] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... restart_syscall resumed>) = 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6023] +++ exited with 0 +++ [pid 6031] <... futex resumed>) = 1 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6031] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6031] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] <... restart_syscall resumed>) = 0 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] openat(AT_FDCWD, NULL, O_RDWR [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6031] <... futex resumed>) = 0 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6031] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6031] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... restart_syscall resumed>) = 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6031] <... futex resumed>) = 0 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6032 attached [pid 6031] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6030] <... futex resumed>) = 0 [pid 6029] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6032] set_robust_list(0x5555683327a0, 24 [pid 6031] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6032 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] rt_sigprocmask(SIG_SETMASK, [] [pid 6031] <... futex resumed>) = 0 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6033 attached [pid 6032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6031] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6033 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6033] set_robust_list(0x5555683327a0, 24 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] sendfile(-1, -1, NULL, 553647746 [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6031] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6032] <... prctl resumed>) = 0 [pid 6029] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6033] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6032] setpgid(0, 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6032] <... setpgid resumed>) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6034 attached [pid 6033] <... prctl resumed>) = 0 [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] mkdirat(AT_FDCWD, NULL, 0777 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] set_robust_list(0x5555683327a0, 24 [pid 6033] setpgid(0, 0 [pid 6032] <... openat resumed>) = 3 [pid 6031] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6030] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6034 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6033] <... setpgid resumed>) = 0 [pid 6032] write(3, "1000", 4 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6034] rt_sigprocmask(SIG_SETMASK, [] [pid 6029] memfd_create("syzkaller", 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6032] <... write resumed>) = 4 [pid 6031] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... memfd_create resumed>) = 5 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... openat resumed>) = 3 [pid 6032] close(3 [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6031] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... prctl resumed>) = 0 [pid 6033] write(3, "1000", 4 [pid 6032] <... close resumed>) = 0 [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6029] <... mmap resumed>) = 0x7f41a5370000 [pid 6034] setpgid(0, 0 [pid 6033] <... write resumed>) = 4 [pid 6032] write(1, "executing program\n", 18 [pid 6031] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 6029] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6034] <... setpgid resumed>) = 0 [pid 6033] close(3 [pid 6032] <... write resumed>) = 18 [pid 6031] <... openat resumed>) = 4 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6033] <... close resumed>) = 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] write(1, "executing program\n", 18 [pid 6032] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 executing program [pid 6034] <... openat resumed>) = 3 [pid 6029] <... write resumed>) = 262144 [pid 6034] write(3, "1000", 4 [pid 6033] <... write resumed>) = 18 [pid 6032] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6031] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] munmap(0x7f41a5370000, 138412032 [pid 6034] <... write resumed>) = 4 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6029] <... munmap resumed>) = 0 [pid 6034] close(3 [pid 6033] <... futex resumed>) = 0 [pid 6032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6031] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6034] <... close resumed>) = 0 [pid 6033] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6031] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6034] write(1, "executing program\n", 18 [pid 6033] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6034] <... write resumed>) = 18 [pid 6033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6032] <... mmap resumed>) = 0x7f41ad770000 [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6029] close(5 [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6032] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6031] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6032] <... mprotect resumed>) = 0 [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6034] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6033] <... mmap resumed>) = 0x7f41ad770000 [pid 6032] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6031] openat(AT_FDCWD, NULL, O_RDWR [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... close resumed>) = 0 [pid 6034] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6033] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6032] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6031] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6029] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6033] <... mprotect resumed>) = 0 [pid 6032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6035 attached [pid 6034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] exit_group(0 [pid 6035] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6033] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6032] <... clone3 resumed> => {parent_tid=[6035]}, 88) = 6035 [pid 6031] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = ? [pid 6028] <... exit_group resumed>) = ? [pid 6035] <... rseq resumed>) = 0 [pid 6034] <... mmap resumed>) = 0x7f41ad770000 [pid 6033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6032] rt_sigprocmask(SIG_SETMASK, [] [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6029] +++ exited with 0 +++ [pid 6035] set_robust_list(0x7f41ad7909a0, 24 [pid 6034] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6031] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULLci2-upstream-fs/strace-static-x86_64: Process 6036 attached [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] <... mprotect resumed>) = 0 [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6028] +++ exited with 0 +++ [pid 6036] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6035] rt_sigprocmask(SIG_SETMASK, [] [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6033] <... clone3 resumed> => {parent_tid=[6036]}, 88) = 6036 [pid 6032] <... futex resumed>) = 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... rseq resumed>) = 0 [pid 6035] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6034] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [] [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6036] set_robust_list(0x7f41ad7909a0, 24 [pid 6035] memfd_create("syzkaller", 0 [pid 6034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6031] sendfile(-1, -1, NULL, 553647746 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6037 attached [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] <... memfd_create resumed>) = 3 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6036] rt_sigprocmask(SIG_SETMASK, [] [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 [pid 6033] <... futex resumed>) = 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6037] <... rseq resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6035] <... mmap resumed>) = 0x7f41a5370000 [pid 6034] rt_sigprocmask(SIG_SETMASK, [] [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6031] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6037] set_robust_list(0x7f41ad7909a0, 24 [pid 6036] memfd_create("syzkaller", 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] <... memfd_create resumed>) = 3 [pid 6034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6031] memfd_create("syzkaller", 0 [pid 6030] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] rt_sigprocmask(SIG_SETMASK, [] [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6034] <... futex resumed>) = 0 [pid 6031] <... memfd_create resumed>) = 5 [pid 6030] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6037] memfd_create("syzkaller", 0 [pid 6036] <... mmap resumed>) = 0x7f41a5370000 [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 6038 attached ) = 0x7f41a5370000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6038 [pid 6038] set_robust_list(0x5555683327a0, 24 [pid 6037] <... memfd_create resumed>) = 3 [pid 6035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6038] <... set_robust_list resumed>) = 0 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6037] <... mmap resumed>) = 0x7f41a5370000 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6031] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6038] setpgid(0, 0) = 0 [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6038] <... openat resumed>) = 3 [pid 6037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6031] <... write resumed>) = 262144 [pid 6031] munmap(0x7f41a5370000, 138412032) = 0 [pid 6038] write(3, "1000", 4) = 4 [pid 6038] close(3) = 0 [pid 6031] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6038] write(1, "executing program\n", 18) = 18 [pid 6031] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] close(5 [pid 6038] <... futex resumed>) = 0 [pid 6038] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6038] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6038] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6031] <... close resumed>) = 0 [pid 6038] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6031] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6039 attached [pid 6031] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] exit_group(0 [pid 6038] <... clone3 resumed> => {parent_tid=[6039]}, 88) = 6039 [pid 6039] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6038] rt_sigprocmask(SIG_SETMASK, [] [pid 6031] <... futex resumed>) = ? [pid 6030] <... exit_group resumed>) = ? [pid 6039] <... rseq resumed>) = 0 [pid 6038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6035] <... write resumed>) = 1048576 [pid 6039] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] rt_sigprocmask(SIG_SETMASK, [] [pid 6038] <... futex resumed>) = 0 [pid 6035] munmap(0x7f41a5370000, 138412032 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6039] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6039] memfd_create("syzkaller", 0) = 3 [pid 6035] <... munmap resumed>) = 0 [pid 6039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6031] +++ exited with 0 +++ [pid 6030] +++ exited with 0 +++ [pid 6035] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6035] close(3 [pid 6039] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6037] <... write resumed>) = 1048576 [pid 6036] <... write resumed>) = 1048576 [pid 6035] <... close resumed>) = 0 [pid 6037] munmap(0x7f41a5370000, 138412032 [pid 6036] munmap(0x7f41a5370000, 138412032 [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... munmap resumed>) = 0 [pid 6036] <... munmap resumed>) = 0 [pid 6035] <... futex resumed>) = 1 [pid 6032] <... futex resumed>) = 0 [pid 6037] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6036] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6035] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6037] close(3 [pid 6036] close(3 [pid 6035] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6035] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6035] <... futex resumed>) = 1 [pid 6032] <... futex resumed>) = 0 [pid 6035] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6032] <... futex resumed>) = 0 [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6040 attached [pid 6039] <... write resumed>) = 1048576 [pid 6037] <... close resumed>) = 0 [pid 6036] <... close resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6040] set_robust_list(0x5555683327a0, 24 [pid 6039] munmap(0x7f41a5370000, 138412032 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... munmap resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 1 [pid 6035] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6040 [pid 6040] rt_sigprocmask(SIG_SETMASK, [] [pid 6039] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6039] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6037] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6036] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6035] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6040] <... prctl resumed>) = 0 [pid 6039] close(3 [pid 6037] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6036] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6040] setpgid(0, 0 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 1 [pid 6035] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6040] <... setpgid resumed>) = 0 [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6037] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6036] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6035] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... openat resumed>) = 3 [pid 6037] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6036] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6040] write(3, "1000", 4 [pid 6039] <... close resumed>) = 0 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... write resumed>) = 4 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6040] close(3 [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... close resumed>) = 0 [pid 6039] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 executing program [pid 6040] write(1, "executing program\n", 18 [pid 6039] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6038] <... futex resumed>) = 0 [pid 6037] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6036] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6035] <... futex resumed>) = 1 [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... futex resumed>) = 0 [pid 6040] <... write resumed>) = 18 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] mkdirat(AT_FDCWD, NULL, 0777 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6039] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 0 [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... futex resumed>) = 0 [pid 6036] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6035] <... futex resumed>) = 0 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6039] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6036] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6039] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6037] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... futex resumed>) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 0 [pid 6035] <... openat resumed>) = 4 [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... mmap resumed>) = 0x7f41ad770000 [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6039] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... futex resumed>) = 0 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... mprotect resumed>) = 0 [pid 6039] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6035] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... futex resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6036] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6035] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6039] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6041 attached [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] openat(AT_FDCWD, NULL, O_RDWR [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = 0 [pid 6041] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6040] <... clone3 resumed> => {parent_tid=[6041]}, 88) = 6041 [pid 6039] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... rseq resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [] [pid 6039] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] mkdirat(AT_FDCWD, NULL, 0777 [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] set_robust_list(0x7f41ad7909a0, 24 [pid 6037] mkdirat(AT_FDCWD, NULL, 0777 [pid 6036] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6035] <... futex resumed>) = 0 [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6037] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6032] <... futex resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] rt_sigprocmask(SIG_SETMASK, [] [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 1 [pid 6035] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6033] <... futex resumed>) = 0 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6039] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 1 [pid 6036] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] memfd_create("syzkaller", 0 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... openat resumed>) = 4 [pid 6035] <... futex resumed>) = 1 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6041] <... memfd_create resumed>) = 3 [pid 6039] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6039] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6037] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6036] <... futex resumed>) = 0 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6041] <... mmap resumed>) = 0x7f41a5370000 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... openat resumed>) = 4 [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] sendfile(-1, -1, NULL, 553647746 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6033] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] mkdirat(AT_FDCWD, NULL, 0777 [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 1 [pid 6036] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6035] <... futex resumed>) = 1 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = 0 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = 0 [pid 6032] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6039] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6036] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... futex resumed>) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6039] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] memfd_create("syzkaller", 0 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... memfd_create resumed>) = 5 [pid 6033] <... futex resumed>) = 0 [pid 6039] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] openat(AT_FDCWD, NULL, O_RDWR [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... openat resumed>) = 4 [pid 6037] <... futex resumed>) = 1 [pid 6036] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6035] <... mmap resumed>) = 0x7f41a5370000 [pid 6034] <... futex resumed>) = 0 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6039] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 1 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6037] <... futex resumed>) = 0 [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6034] <... futex resumed>) = 1 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] openat(AT_FDCWD, NULL, O_RDWR [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... futex resumed>) = 0 [pid 6039] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] openat(AT_FDCWD, NULL, O_RDWR [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 1 [pid 6036] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6034] <... futex resumed>) = 0 [pid 6039] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6038] <... futex resumed>) = 0 [pid 6036] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... write resumed>) = 1048576 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6036] <... futex resumed>) = 1 [pid 6035] <... write resumed>) = 262144 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] munmap(0x7f41a5370000, 138412032 [pid 6039] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] munmap(0x7f41a5370000, 138412032 [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] <... futex resumed>) = 0 [pid 6041] <... munmap resumed>) = 0 [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] sendfile(-1, -1, NULL, 553647746 [pid 6035] <... munmap resumed>) = 0 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6039] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6034] <... futex resumed>) = 0 [pid 6041] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6039] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6037] sendfile(-1, -1, NULL, 553647746 [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] close(3 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] memfd_create("syzkaller", 0 [pid 6035] close(5 [pid 6033] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] sendfile(-1, -1, NULL, 553647746 [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6039] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... futex resumed>) = 0 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... memfd_create resumed>) = 5 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] memfd_create("syzkaller", 0 [pid 6036] <... mmap resumed>) = 0x7f41a5370000 [pid 6035] <... close resumed>) = 0 [pid 6039] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = 0 [pid 6033] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6037] <... memfd_create resumed>) = 5 [pid 6038] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] memfd_create("syzkaller", 0 [pid 6041] <... close resumed>) = 0 [pid 6038] <... futex resumed>) = 0 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6036] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6035] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6039] <... memfd_create resumed>) = 5 [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6037] <... mmap resumed>) = 0x7f41a5370000 [pid 6035] <... futex resumed>) = 1 [pid 6032] <... futex resumed>) = 0 [pid 6039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6039] <... mmap resumed>) = 0x7f41a5370000 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... futex resumed>) = 0 [pid 6036] <... write resumed>) = 262144 [pid 6032] exit_group(0 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6037] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6035] <... futex resumed>) = ? [pid 6032] <... exit_group resumed>) = ? [pid 6041] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6039] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 6036] munmap(0x7f41a5370000, 138412032) = 0 [pid 6036] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6041] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] <... write resumed>) = 262144 [pid 6041] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6039] <... write resumed>) = 262144 [pid 6037] munmap(0x7f41a5370000, 138412032 [pid 6036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] +++ exited with 0 +++ [pid 6032] +++ exited with 0 +++ [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] munmap(0x7f41a5370000, 138412032 [pid 6037] <... munmap resumed>) = 0 [pid 6036] close(5 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6039] <... munmap resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6032, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6037] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6036] <... close resumed>) = 0 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 6039] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6036] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] close(5 [pid 6037] close(5 [pid 6036] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6041] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] <... close resumed>) = 0 [pid 6033] exit_group(0 [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6039] <... close resumed>) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6033] <... exit_group resumed>) = ? [pid 6040] <... futex resumed>) = 0 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6041] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6041] <... mmap resumed>) = -1 EBADF (Bad file descriptor) ci2-upstream-fs/strace-static-x86_64: Process 6042 attached [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 6042] set_robust_list(0x5555683327a0, 24 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6042 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6038] exit_group(0 [pid 6042] rt_sigprocmask(SIG_SETMASK, [] [pid 6039] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] exit_group(0 [pid 6042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6041] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6040] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = ? [pid 6038] <... exit_group resumed>) = ? [pid 6037] <... futex resumed>) = ? [pid 6034] <... exit_group resumed>) = ? [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6042] <... prctl resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] setpgid(0, 0 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] +++ exited with 0 +++ [pid 6038] +++ exited with 0 +++ [pid 6037] +++ exited with 0 +++ [pid 6042] <... setpgid resumed>) = 0 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6034] +++ exited with 0 +++ [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6041] mkdirat(AT_FDCWD, NULL, 0777 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5609] <... restart_syscall resumed>) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6042] <... openat resumed>) = 3 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6042] write(3, "1000", 4 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6042] <... write resumed>) = 4 [pid 6042] close(3ci2-upstream-fs/strace-static-x86_64: Process 6043 attached [pid 6041] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6040] <... futex resumed>) = 0 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6042] <... close resumed>) = 0 [pid 6043] set_robust_list(0x5555683327a0, 24 [pid 6041] <... openat resumed>) = 4 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] write(1, "executing program\n", 18 [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6043 executing program [pid 6043] rt_sigprocmask(SIG_SETMASK, [] [pid 6042] <... write resumed>) = 18 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6043] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6044 attached [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] <... futex resumed>) = 0 [pid 6041] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6040] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6044] set_robust_list(0x5555683327a0, 24 [pid 6043] <... prctl resumed>) = 0 [pid 6042] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... futex resumed>) = 0 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = 1 [pid 6041] openat(AT_FDCWD, NULL, O_RDWR [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6044 ci2-upstream-fs/strace-static-x86_64: Process 6045 attached [pid 6044] <... set_robust_list resumed>) = 0 [pid 6043] setpgid(0, 0 [pid 6042] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] set_robust_list(0x5555683327a0, 24 [pid 6044] rt_sigprocmask(SIG_SETMASK, [] [pid 6043] <... setpgid resumed>) = 0 [pid 6042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6045 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6045] rt_sigprocmask(SIG_SETMASK, [] [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] <... openat resumed>) = 3 [pid 6042] <... mmap resumed>) = 0x7f41ad770000 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6044] <... prctl resumed>) = 0 [pid 6043] write(3, "1000", 4 [pid 6042] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6041] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6044] setpgid(0, 0 [pid 6043] <... write resumed>) = 4 [pid 6042] <... mprotect resumed>) = 0 [pid 6041] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6045] <... prctl resumed>) = 0 [pid 6044] <... setpgid resumed>) = 0 [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6045] setpgid(0, 0 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6043] close(3 [pid 6042] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6045] <... setpgid resumed>) = 0 [pid 6043] <... close resumed>) = 0 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6044] <... openat resumed>) = 3 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6043] write(1, "executing program\n", 18 [pid 6040] <... futex resumed>) = 0 executing program ci2-upstream-fs/strace-static-x86_64: Process 6046 attached [pid 6044] write(3, "1000", 4 [pid 6043] <... write resumed>) = 18 [pid 6041] sendfile(-1, -1, NULL, 553647746 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6045] <... openat resumed>) = 3 [pid 6044] <... write resumed>) = 4 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... clone3 resumed> => {parent_tid=[6046]}, 88) = 6046 [pid 6041] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... rseq resumed>) = 0 [pid 6045] write(3, "1000", 4 [pid 6044] close(3 [pid 6043] <... futex resumed>) = 0 [pid 6042] rt_sigprocmask(SIG_SETMASK, [] [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] set_robust_list(0x7f41ad7909a0, 24 [pid 6045] <... write resumed>) = 4 [pid 6044] <... close resumed>) = 0 [pid 6043] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6045] close(3 [pid 6044] write(1, "executing program\n", 18 [pid 6043] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] rt_sigprocmask(SIG_SETMASK, [] [pid 6045] <... close resumed>) = 0 [pid 6044] <... write resumed>) = 18 [pid 6040] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6042] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6045] write(1, "executing program\n", 18 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program executing program [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6040] <... futex resumed>) = 0 [pid 6046] memfd_create("syzkaller", 0 [pid 6045] <... write resumed>) = 18 [pid 6044] <... futex resumed>) = 0 [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6041] memfd_create("syzkaller", 0 [pid 6040] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... memfd_create resumed>) = 3 [pid 6045] <... futex resumed>) = 0 [pid 6044] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6043] <... mmap resumed>) = 0x7f41ad770000 [pid 6041] <... memfd_create resumed>) = 5 [pid 6046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6045] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6044] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6043] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6046] <... mmap resumed>) = 0x7f41a5370000 [pid 6043] <... mprotect resumed>) = 0 [pid 6045] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6041] <... mmap resumed>) = 0x7f41a5370000 [pid 6045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6043] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6044] <... mmap resumed>) = 0x7f41ad770000 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6044] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6045] <... mmap resumed>) = 0x7f41ad770000 [pid 6044] <... mprotect resumed>) = 0 [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6045] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6041] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6045] <... mprotect resumed>) = 0 [pid 6044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6047 attached ci2-upstream-fs/strace-static-x86_64: Process 6048 attached [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6043] <... clone3 resumed> => {parent_tid=[6047]}, 88) = 6047 [pid 6048] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6047] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6045] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6044] <... clone3 resumed> => {parent_tid=[6048]}, 88) = 6048 [pid 6043] rt_sigprocmask(SIG_SETMASK, [] [pid 6048] <... rseq resumed>) = 0 [pid 6047] <... rseq resumed>) = 0 [pid 6046] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6044] rt_sigprocmask(SIG_SETMASK, [] [pid 6043] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6041] <... write resumed>) = 262144 [pid 6047] set_robust_list(0x7f41ad7909a0, 24ci2-upstream-fs/strace-static-x86_64: Process 6049 attached [pid 6048] set_robust_list(0x7f41ad7909a0, 24 [pid 6044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6045] <... clone3 resumed> => {parent_tid=[6049]}, 88) = 6049 [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6048] rt_sigprocmask(SIG_SETMASK, [] [pid 6047] rt_sigprocmask(SIG_SETMASK, [] [pid 6045] rt_sigprocmask(SIG_SETMASK, [] [pid 6043] <... futex resumed>) = 0 [pid 6041] munmap(0x7f41a5370000, 138412032 [pid 6049] <... rseq resumed>) = 0 [pid 6047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6049] set_robust_list(0x7f41ad7909a0, 24 [pid 6048] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6047] memfd_create("syzkaller", 0 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6041] <... munmap resumed>) = 0 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [] [pid 6048] memfd_create("syzkaller", 0 [pid 6045] <... futex resumed>) = 0 [pid 6049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6047] <... memfd_create resumed>) = 3 [pid 6041] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6049] memfd_create("syzkaller", 0 [pid 6048] <... memfd_create resumed>) = 3 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6049] <... memfd_create resumed>) = 3 [pid 6048] <... mmap resumed>) = 0x7f41a5370000 [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6049] <... mmap resumed>) = 0x7f41a5370000 [pid 6047] <... mmap resumed>) = 0x7f41a5370000 [pid 6041] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6046] <... write resumed>) = 1048576 [pid 6041] close(5 [pid 6047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6046] munmap(0x7f41a5370000, 138412032 [pid 6041] <... close resumed>) = 0 [pid 6041] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6046] <... munmap resumed>) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6046] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6041] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] exit_group(0 [pid 6047] <... write resumed>) = 1048576 [pid 6046] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] munmap(0x7f41a5370000, 138412032 [pid 6046] close(3 [pid 6041] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 6041] +++ exited with 0 +++ [pid 6047] <... munmap resumed>) = 0 [pid 6047] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6040] +++ exited with 0 +++ [pid 6047] close(3 [pid 6046] <... close resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6049] <... write resumed>) = 1048576 [pid 6048] <... write resumed>) = 1048576 [pid 6049] munmap(0x7f41a5370000, 138412032 [pid 6048] munmap(0x7f41a5370000, 138412032 [pid 6047] <... close resumed>) = 0 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6049] <... munmap resumed>) = 0 [pid 6048] <... munmap resumed>) = 0 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6048] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6047] <... futex resumed>) = 1 [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6048] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6049] close(3 [pid 6048] close(3 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6047] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = -1 EISDIR (Is a directory) [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6046] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6046] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 6043] <... futex resumed>) = 1 [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... futex resumed>) = 0 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6050 attached [pid 6049] <... close resumed>) = 0 [pid 6047] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6046] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] set_robust_list(0x5555683327a0, 24 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6046] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6050 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6048] <... close resumed>) = 0 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6047] <... futex resumed>) = 1 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6050] rt_sigprocmask(SIG_SETMASK, [] [pid 6049] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 0 [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6049] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6048] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6046] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6046] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... prctl resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] setpgid(0, 0 [pid 6049] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 0 [pid 6050] <... setpgid resumed>) = 0 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6047] <... futex resumed>) = 1 [pid 6046] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6045] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6049] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6048] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] <... futex resumed>) = 0 [pid 6048] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... openat resumed>) = 3 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6047] <... futex resumed>) = 1 [pid 6046] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6043] <... futex resumed>) = 0 [pid 6050] write(3, "1000", 4 [pid 6049] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6049] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... write resumed>) = 4 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] close(3 [pid 6049] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6050] <... close resumed>) = 0 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... futex resumed>) = 0 [pid 6049] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 6050] write(1, "executing program\n", 18 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... write resumed>) = 18 [pid 6047] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6048] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6046] mkdirat(AT_FDCWD, NULL, 0777 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... futex resumed>) = 0 [pid 6049] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6050] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] <... futex resumed>) = 0 [pid 6050] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6048] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6049] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6047] mkdirat(AT_FDCWD, NULL, 0777 [pid 6046] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... futex resumed>) = 0 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6049] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6048] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 1 [pid 6046] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6050] <... mmap resumed>) = 0x7f41ad770000 [pid 6048] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... openat resumed>) = 4 [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6050] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6048] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6047] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6046] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... mprotect resumed>) = 0 [pid 6049] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6047] <... openat resumed>) = 4 [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6048] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6047] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6042] <... futex resumed>) = 1 [pid 6049] mkdirat(AT_FDCWD, NULL, 0777 [pid 6048] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6047] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6046] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6051 attached [pid 6050] <... clone3 resumed> => {parent_tid=[6051]}, 88) = 6051 [pid 6049] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6048] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6046] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6050] rt_sigprocmask(SIG_SETMASK, [] [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] <... rseq resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6049] <... futex resumed>) = 0 [pid 6048] mkdirat(AT_FDCWD, NULL, 0777 [pid 6047] <... futex resumed>) = 0 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 0 [pid 6051] set_robust_list(0x7f41ad7909a0, 24 [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6048] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] <... set_robust_list resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6049] <... openat resumed>) = 4 [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... futex resumed>) = 1 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [] [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6049] <... futex resumed>) = 0 [pid 6048] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6047] openat(AT_FDCWD, NULL, O_RDWR [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 0 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... futex resumed>) = 0 [pid 6051] memfd_create("syzkaller", 0 [pid 6049] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6048] <... openat resumed>) = 4 [pid 6047] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6046] openat(AT_FDCWD, NULL, O_RDWR [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] <... memfd_create resumed>) = 3 [pid 6049] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... mmap resumed>) = 0x7f41a5370000 [pid 6049] <... futex resumed>) = 0 [pid 6048] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6047] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 1 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6048] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] openat(AT_FDCWD, NULL, O_RDWR [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6046] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6045] <... futex resumed>) = 0 [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6047] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6046] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6046] <... futex resumed>) = 0 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6049] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6048] openat(AT_FDCWD, NULL, O_RDWR [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6048] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6047] sendfile(-1, -1, NULL, 553647746 [pid 6046] sendfile(-1, -1, NULL, 553647746 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... futex resumed>) = 0 [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] sendfile(-1, -1, NULL, 553647746 [pid 6048] <... futex resumed>) = 1 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6049] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... futex resumed>) = 1 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6047] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = 1 [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] memfd_create("syzkaller", 0 [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6045] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6042] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6049] memfd_create("syzkaller", 0 [pid 6048] sendfile(-1, -1, NULL, 553647746 [pid 6045] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6044] <... futex resumed>) = 0 [pid 6049] <... memfd_create resumed>) = 5 [pid 6048] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... memfd_create resumed>) = 5 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] memfd_create("syzkaller", 0 [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... futex resumed>) = 0 [pid 6044] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] memfd_create("syzkaller", 0 [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6047] <... memfd_create resumed>) = 5 [pid 6046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6044] <... futex resumed>) = 0 [pid 6049] <... mmap resumed>) = 0x7f41a5370000 [pid 6048] <... memfd_create resumed>) = 5 [pid 6046] <... mmap resumed>) = 0x7f41a5370000 [pid 6044] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6051] <... write resumed>) = 1048576 [pid 6049] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6051] munmap(0x7f41a5370000, 138412032) = 0 [pid 6048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6047] <... mmap resumed>) = 0x7f41a5370000 [pid 6051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6048] <... mmap resumed>) = 0x7f41a5370000 [pid 6051] close(3 [pid 6048] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6047] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6046] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6049] <... write resumed>) = 262144 [pid 6049] munmap(0x7f41a5370000, 138412032) = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6049] close(5 [pid 6046] <... write resumed>) = 262144 [pid 6046] munmap(0x7f41a5370000, 138412032) = 0 [pid 6048] <... write resumed>) = 262144 [pid 6051] <... close resumed>) = 0 [pid 6049] <... close resumed>) = 0 [pid 6047] <... write resumed>) = 262144 [pid 6048] munmap(0x7f41a5370000, 138412032 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] munmap(0x7f41a5370000, 138412032 [pid 6046] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6051] <... futex resumed>) = 1 [pid 6049] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] <... futex resumed>) = 0 [pid 6049] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] <... munmap resumed>) = 0 [pid 6046] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6045] exit_group(0 [pid 6048] <... munmap resumed>) = 0 [pid 6047] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6046] close(5 [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = ? [pid 6048] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6047] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6045] <... exit_group resumed>) = ? [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 1 [pid 6049] +++ exited with 0 +++ [pid 6048] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] close(5 [pid 6046] <... close resumed>) = 0 [pid 6051] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] close(5 [pid 6046] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6045] +++ exited with 0 +++ [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... close resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6046] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6048] <... close resumed>) = 0 [pid 6047] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] exit_group(0 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = ? [pid 6043] <... futex resumed>) = 0 [pid 6042] <... exit_group resumed>) = ? [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = 1 [pid 6047] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] +++ exited with 0 +++ [pid 6044] <... futex resumed>) = 0 [pid 6043] exit_group(0 [pid 6051] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] <... futex resumed>) = ? [pid 6044] exit_group(0 [pid 6043] <... exit_group resumed>) = ? [pid 6042] +++ exited with 0 +++ [pid 6051] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6048] <... futex resumed>) = ? [pid 6047] +++ exited with 0 +++ [pid 6044] <... exit_group resumed>) = ? [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 6048] +++ exited with 0 +++ [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] +++ exited with 0 +++ [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... futex resumed>) = 0 [pid 6051] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] +++ exited with 0 +++ [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6051] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6050] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = 1 [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6051] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6050] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6053 attached ci2-upstream-fs/strace-static-x86_64: Process 6052 attached [pid 6051] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... restart_syscall resumed>) = 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6053] set_robust_list(0x5555683327a0, 24 [pid 6052] set_robust_list(0x5555683327a0, 24 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6053 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6052 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6050] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] rt_sigprocmask(SIG_SETMASK, [] [pid 6052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6051] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6051] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] <... prctl resumed>) = 0 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6053] <... prctl resumed>) = 0 [pid 6052] setpgid(0, 0 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6053] setpgid(0, 0 [pid 6052] <... setpgid resumed>) = 0 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... setpgid resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6054 attached [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... openat resumed>) = 3 [pid 6051] mkdirat(AT_FDCWD, NULL, 0777 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] set_robust_list(0x5555683327a0, 24 [pid 6053] <... openat resumed>) = 3 [pid 6051] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6054 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6052] write(3, "1000", 4 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] rt_sigprocmask(SIG_SETMASK, [] [pid 6053] write(3, "1000", 4 [pid 6052] <... write resumed>) = 4 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6053] <... write resumed>) = 4 [pid 6052] close(3 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6052] <... close resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... futex resumed>) = 0 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILLci2-upstream-fs/strace-static-x86_64: Process 6055 attached ) = 0 [pid 6053] close(3 [pid 6052] write(1, "executing program\n", 18 [pid 6051] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME executing program [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] set_robust_list(0x5555683327a0, 24 [pid 6054] setpgid(0, 0 [pid 6052] <... write resumed>) = 18 [pid 6053] <... close resumed>) = 0 [pid 6051] <... openat resumed>) = 4 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6055 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6054] <... setpgid resumed>) = 0 [pid 6053] write(1, "executing program\n", 18 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] <... write resumed>) = 18 [pid 6052] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6055] rt_sigprocmask(SIG_SETMASK, [] [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6054] <... openat resumed>) = 3 [pid 6053] <... futex resumed>) = 0 [pid 6052] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] write(3, "1000", 4 [pid 6053] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6052] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... futex resumed>) = 0 [pid 6055] <... prctl resumed>) = 0 [pid 6054] <... write resumed>) = 4 [pid 6053] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6051] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] setpgid(0, 0 [pid 6054] close(3 [pid 6053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6051] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... setpgid resumed>) = 0 [pid 6054] <... close resumed>) = 0 [pid 6053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6052] <... mmap resumed>) = 0x7f41ad770000 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6054] write(1, "executing program\n", 18 [pid 6053] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6052] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... write resumed>) = 18 [pid 6053] <... mprotect resumed>) = 0 [pid 6052] <... mprotect resumed>) = 0 [pid 6051] openat(AT_FDCWD, NULL, O_RDWR [pid 6050] <... futex resumed>) = 0 [pid 6055] <... openat resumed>) = 3 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6051] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6054] <... futex resumed>) = 0 [pid 6053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6055] write(3, "1000", 4 [pid 6054] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6052] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6056 attached [pid 6056] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 6053] <... clone3 resumed> => {parent_tid=[6056]}, 88) = 6056 [pid 6056] set_robust_list(0x7f41ad7909a0, 24 [pid 6053] rt_sigprocmask(SIG_SETMASK, [] [pid 6056] <... set_robust_list resumed>) = 0 [pid 6055] <... write resumed>) = 4 [pid 6053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6054] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6052] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] rt_sigprocmask(SIG_SETMASK, [] [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6055] close(3 [pid 6054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6053] <... futex resumed>) = 0 [pid 6052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6050] <... futex resumed>) = 0 [pid 6051] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6056] memfd_create("syzkaller", 0 [pid 6055] <... close resumed>) = 0 [pid 6054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6057 attached [pid 6056] <... memfd_create resumed>) = 3 [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6057] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6054] <... mmap resumed>) = 0x7f41ad770000 [pid 6052] <... clone3 resumed> => {parent_tid=[6057]}, 88) = 6057 [pid 6051] sendfile(-1, -1, NULL, 553647746 [pid 6055] write(1, "executing program\n", 18 executing program [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... rseq resumed>) = 0 [pid 6056] <... mmap resumed>) = 0x7f41a5370000 [pid 6055] <... write resumed>) = 18 [pid 6054] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6052] rt_sigprocmask(SIG_SETMASK, [] [pid 6051] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... futex resumed>) = 0 [pid 6057] set_robust_list(0x7f41ad7909a0, 24 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... mprotect resumed>) = 0 [pid 6052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] <... set_robust_list resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6054] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] rt_sigprocmask(SIG_SETMASK, [] [pid 6055] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6054] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6055] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6052] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 6058 attached [pid 6055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6050] <... futex resumed>) = 0 [pid 6057] memfd_create("syzkaller", 0 [pid 6051] memfd_create("syzkaller", 0 [pid 6058] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6057] <... memfd_create resumed>) = 3 [pid 6055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6054] <... clone3 resumed> => {parent_tid=[6058]}, 88) = 6058 [pid 6051] <... memfd_create resumed>) = 5 [pid 6050] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6058] <... rseq resumed>) = 0 [pid 6057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6054] rt_sigprocmask(SIG_SETMASK, [] [pid 6051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] set_robust_list(0x7f41ad7909a0, 24 [pid 6057] <... mmap resumed>) = 0x7f41a5370000 [pid 6056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6055] <... mmap resumed>) = 0x7f41ad770000 [pid 6054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6051] <... mmap resumed>) = 0x7f41a5370000 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6055] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] rt_sigprocmask(SIG_SETMASK, [] [pid 6055] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6055] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6058] memfd_create("syzkaller", 0 [pid 6055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6051] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144ci2-upstream-fs/strace-static-x86_64: Process 6059 attached [pid 6058] <... memfd_create resumed>) = 3 [pid 6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6055] <... clone3 resumed> => {parent_tid=[6059]}, 88) = 6059 [pid 6059] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6051] <... write resumed>) = 262144 [pid 6059] <... rseq resumed>) = 0 [pid 6055] rt_sigprocmask(SIG_SETMASK, [] [pid 6059] set_robust_list(0x7f41ad7909a0, 24 [pid 6055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6059] <... set_robust_list resumed>) = 0 [pid 6059] rt_sigprocmask(SIG_SETMASK, [] [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6051] munmap(0x7f41a5370000, 138412032 [pid 6059] memfd_create("syzkaller", 0 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6059] <... memfd_create resumed>) = 3 [pid 6051] <... munmap resumed>) = 0 [pid 6051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6051] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6059] <... mmap resumed>) = 0x7f41a5370000 [pid 6051] close(5) = 0 [pid 6059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6051] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... write resumed>) = 1048576 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6051] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] exit_group(0 [pid 6051] <... futex resumed>) = ? [pid 6050] <... exit_group resumed>) = ? [pid 6056] munmap(0x7f41a5370000, 138412032) = 0 [pid 6056] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6056] close(3 [pid 6051] +++ exited with 0 +++ [pid 6050] +++ exited with 0 +++ [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6057] <... write resumed>) = 1048576 [pid 6057] munmap(0x7f41a5370000, 138412032) = 0 [pid 6057] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6057] close(3 [pid 6059] <... write resumed>) = 1048576 [pid 6058] <... write resumed>) = 1048576 [pid 6057] <... close resumed>) = 0 [pid 6056] <... close resumed>) = 0 [pid 6058] munmap(0x7f41a5370000, 138412032 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] munmap(0x7f41a5370000, 138412032 [pid 6058] <... munmap resumed>) = 0 [pid 6057] <... futex resumed>) = 1 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6058] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6057] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... munmap resumed>) = 0 [pid 6058] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6057] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6056] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6058] close(3 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6059] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6057] <... futex resumed>) = 0 [pid 6056] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6059] close(3 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 6057] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6056] <... futex resumed>) = 0 [pid 6056] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6057] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6053] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6056] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6057] <... futex resumed>) = 1 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6056] <... futex resumed>) = 1 [pid 6057] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6056] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6060 attached [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] set_robust_list(0x5555683327a0, 24 [pid 6057] <... futex resumed>) = 0 [pid 6056] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... set_robust_list resumed>) = 0 [pid 6058] <... close resumed>) = 0 [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6060 [pid 6056] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] rt_sigprocmask(SIG_SETMASK, [] [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6057] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... prctl resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] setpgid(0, 0 [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... setpgid resumed>) = 0 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6054] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... close resumed>) = 0 [pid 6058] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6056] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... openat resumed>) = 3 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] write(3, "1000", 4 [pid 6059] <... futex resumed>) = 1 [pid 6058] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 0 [pid 6060] <... write resumed>) = 4 [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6056] <... futex resumed>) = 1 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6060] close(3 [pid 6058] <... futex resumed>) = 1 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6060] <... close resumed>) = 0 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 1 [pid 6056] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6060] write(1, "executing program\n", 18 executing program [pid 6059] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... write resumed>) = 18 [pid 6059] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6058] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... futex resumed>) = 0 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6057] mkdirat(AT_FDCWD, NULL, 0777 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 1 [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6056] <... futex resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... futex resumed>) = 1 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] mkdirat(AT_FDCWD, NULL, 0777 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6060] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 1 [pid 6056] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6055] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... futex resumed>) = 0 [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6059] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6059] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6058] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6056] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6053] <... futex resumed>) = 0 [pid 6060] <... mmap resumed>) = 0x7f41ad770000 [pid 6059] <... futex resumed>) = 1 [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... openat resumed>) = 4 [pid 6055] <... futex resumed>) = 0 [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6059] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6058] <... futex resumed>) = 1 [pid 6057] <... openat resumed>) = 4 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 0 [pid 6059] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... futex resumed>) = 1 [pid 6055] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... mprotect resumed>) = 0 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6059] <... futex resumed>) = 0 [pid 6058] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6060] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] <... futex resumed>) = 0 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6061 attached [pid 6059] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6058] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6057] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6061] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6059] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] <... rseq resumed>) = 0 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] set_robust_list(0x7f41ad7909a0, 24 [pid 6059] <... futex resumed>) = 1 [pid 6058] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] <... futex resumed>) = 0 [pid 6057] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6060] <... clone3 resumed> => {parent_tid=[6061]}, 88) = 6061 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... futex resumed>) = 0 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6059] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6056] openat(AT_FDCWD, NULL, O_RDWR [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] rt_sigprocmask(SIG_SETMASK, [] [pid 6060] rt_sigprocmask(SIG_SETMASK, [] [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6056] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6055] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] mkdirat(AT_FDCWD, NULL, 0777 [pid 6057] <... futex resumed>) = 1 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6061] memfd_create("syzkaller", 0 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6058] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... memfd_create resumed>) = 3 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6059] <... futex resumed>) = 1 [pid 6058] <... futex resumed>) = 0 [pid 6057] openat(AT_FDCWD, NULL, O_RDWR [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] <... mmap resumed>) = 0x7f41a5370000 [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6056] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6058] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6057] <... futex resumed>) = 1 [pid 6056] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... futex resumed>) = 0 [pid 6059] mkdirat(AT_FDCWD, NULL, 0777 [pid 6058] <... openat resumed>) = 4 [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] sendfile(-1, -1, NULL, 553647746 [pid 6061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6059] <... futex resumed>) = 1 [pid 6058] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6057] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6056] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6058] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... openat resumed>) = 4 [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] memfd_create("syzkaller", 0 [pid 6054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] sendfile(-1, -1, NULL, 553647746 [pid 6056] <... memfd_create resumed>) = 5 [pid 6054] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... futex resumed>) = 1 [pid 6058] openat(AT_FDCWD, NULL, O_RDWR [pid 6057] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6055] <... futex resumed>) = 0 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... mmap resumed>) = 0x7f41a5370000 [pid 6061] <... write resumed>) = 1048576 [pid 6059] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 0 [pid 6061] munmap(0x7f41a5370000, 138412032) = 0 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = 1 [pid 6057] memfd_create("syzkaller", 0 [pid 6054] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 1 [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6061] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6054] <... futex resumed>) = 0 [pid 6052] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6061] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] close(3 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6055] <... futex resumed>) = 0 [pid 6059] openat(AT_FDCWD, NULL, O_RDWR [pid 6058] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6056] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 1 [pid 6058] sendfile(-1, -1, NULL, 553647746 [pid 6057] <... memfd_create resumed>) = 5 [pid 6055] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] <... futex resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] <... mmap resumed>) = 0x7f41a5370000 [pid 6054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6061] <... close resumed>) = 0 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... write resumed>) = 262144 [pid 6054] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 1 [pid 6058] <... futex resumed>) = 0 [pid 6057] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6055] <... futex resumed>) = 0 [pid 6056] munmap(0x7f41a5370000, 138412032 [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6058] memfd_create("syzkaller", 0 [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... memfd_create resumed>) = 5 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6056] <... munmap resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6058] <... mmap resumed>) = 0x7f41a5370000 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] <... futex resumed>) = 0 [pid 6061] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = -1 EISDIR (Is a directory) [pid 6059] sendfile(-1, -1, NULL, 553647746 [pid 6056] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 1 [pid 6057] <... write resumed>) = 262144 [pid 6056] close(5 [pid 6055] <... futex resumed>) = 0 [pid 6058] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6060] <... futex resumed>) = 0 [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] munmap(0x7f41a5370000, 138412032 [pid 6055] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] <... futex resumed>) = 0 [pid 6061] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] memfd_create("syzkaller", 0 [pid 6055] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... memfd_create resumed>) = 5 [pid 6057] <... munmap resumed>) = 0 [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6057] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6061] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6061] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... mmap resumed>) = 0x7f41a5370000 [pid 6057] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6061] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] close(5 [pid 6056] <... close resumed>) = 0 [pid 6060] <... futex resumed>) = 0 [pid 6058] <... write resumed>) = 262144 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6061] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0) = -1 EBADF (Bad file descriptor) [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6059] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6058] munmap(0x7f41a5370000, 138412032 [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6061] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] <... munmap resumed>) = 0 [pid 6057] <... close resumed>) = 0 [pid 6056] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6053] exit_group(0) = ? [pid 6056] <... futex resumed>) = ? [pid 6061] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6057] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] +++ exited with 0 +++ [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... write resumed>) = 262144 [pid 6058] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6057] <... futex resumed>) = 1 [pid 6053] +++ exited with 0 +++ [pid 6052] <... futex resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6058] close(5 [pid 6052] exit_group(0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6060] <... futex resumed>) = 0 [pid 6059] munmap(0x7f41a5370000, 138412032 [pid 6057] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] +++ exited with 0 +++ [pid 6052] <... exit_group resumed>) = ? [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... munmap resumed>) = 0 [pid 6059] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6060] <... futex resumed>) = 1 [pid 6061] <... futex resumed>) = 0 [pid 6059] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] mkdirat(AT_FDCWD, NULL, 0777 [pid 6059] close(5 [pid 6061] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6058] <... close resumed>) = 0 [pid 6052] +++ exited with 0 +++ [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6060] <... futex resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 6058] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... close resumed>) = 0 [pid 6061] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6061] <... openat resumed>) = 4 [pid 6059] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] exit_group(0 [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 1 [pid 6058] <... futex resumed>) = ? [pid 6055] <... futex resumed>) = 0 [pid 6054] <... exit_group resumed>) = ? [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6059] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] +++ exited with 0 +++ [pid 6061] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] exit_group(0 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6061] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6060] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = ? [pid 6055] <... exit_group resumed>) = ? [pid 6054] +++ exited with 0 +++ [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] +++ exited with 0 +++ [pid 6061] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] +++ exited with 0 +++ [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... restart_syscall resumed>) = 0 [pid 6061] openat(AT_FDCWD, NULL, O_RDWR [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6061] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6062 attached [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6063 attached [pid 6062] set_robust_list(0x5555683327a0, 24 [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6062 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6063] set_robust_list(0x5555683327a0, 24 [pid 6062] rt_sigprocmask(SIG_SETMASK, [] [pid 6061] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6063 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6063] <... set_robust_list resumed>) = 0 [pid 6062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6061] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6063] rt_sigprocmask(SIG_SETMASK, [] [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6062] <... prctl resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6062] setpgid(0, 0 [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... setpgid resumed>) = 0 [pid 6060] <... futex resumed>) = 0 [pid 6063] <... prctl resumed>) = 0 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] setpgid(0, 0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] sendfile(-1, -1, NULL, 553647746 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... setpgid resumed>) = 0 [pid 6062] <... openat resumed>) = 3 [pid 6061] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6064 attached [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... openat resumed>) = 3 [pid 6062] write(3, "1000", 4 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6064] set_robust_list(0x5555683327a0, 24 [pid 6063] write(3, "1000", 4 [pid 6062] <... write resumed>) = 4 [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6064 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6064] <... set_robust_list resumed>) = 0 [pid 6063] <... write resumed>) = 4 [pid 6062] close(3 [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6064] rt_sigprocmask(SIG_SETMASK, [] [pid 6063] close(3 [pid 6062] <... close resumed>) = 0 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6063] <... close resumed>) = 0 [pid 6062] write(1, "executing program\n", 18 executing program [pid 6061] memfd_create("syzkaller", 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6062] <... write resumed>) = 18 [pid 6060] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... memfd_create resumed>) = 5 [pid 6064] <... prctl resumed>) = 0 [pid 6063] write(1, "executing program\n", 18 executing program [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6064] setpgid(0, 0 [pid 6063] <... write resumed>) = 18 [pid 6061] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6065 attached [pid 6064] <... setpgid resumed>) = 0 [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6062] <... futex resumed>) = 0 [pid 6065] set_robust_list(0x5555683327a0, 24 [pid 6063] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6061] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] <... openat resumed>) = 3 [pid 6063] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6062] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6064] write(3, "1000", 4 [pid 6063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6065 [pid 6065] rt_sigprocmask(SIG_SETMASK, [] [pid 6062] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6064] <... write resumed>) = 4 [pid 6063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6064] close(3 [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6061] <... write resumed>) = 262144 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6065] <... prctl resumed>) = 0 [pid 6064] <... close resumed>) = 0 [pid 6063] <... mmap resumed>) = 0x7f41ad770000 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] write(1, "executing program\n", 18 [pid 6062] <... mmap resumed>) = 0x7f41ad770000 executing program [pid 6063] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6065] setpgid(0, 0 [pid 6064] <... write resumed>) = 18 [pid 6062] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6065] <... setpgid resumed>) = 0 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... mprotect resumed>) = 0 [pid 6062] <... mprotect resumed>) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] <... futex resumed>) = 0 [pid 6063] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6061] munmap(0x7f41a5370000, 138412032 [pid 6065] <... openat resumed>) = 3 [pid 6064] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6063] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6061] <... munmap resumed>) = 0 [pid 6064] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6062] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6066 attached [pid 6065] write(3, "1000", 4 [pid 6064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6061] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6065] <... write resumed>) = 4 [pid 6064] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6067 attached [pid 6066] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6065] close(3 [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6061] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6067] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6066] <... rseq resumed>) = 0 [pid 6065] <... close resumed>) = 0 [pid 6064] <... mmap resumed>) = 0x7f41ad770000 [pid 6063] rt_sigprocmask(SIG_SETMASK, [] [pid 6067] <... rseq resumed>) = 0 [pid 6066] set_robust_list(0x7f41ad7909a0, 24 [pid 6065] write(1, "executing program\n", 18 executing program [pid 6064] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6062] <... clone3 resumed> => {parent_tid=[6067]}, 88) = 6067 [pid 6061] close(5 [pid 6067] set_robust_list(0x7f41ad7909a0, 24 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] <... write resumed>) = 18 [pid 6064] <... mprotect resumed>) = 0 [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] rt_sigprocmask(SIG_SETMASK, [] [pid 6066] rt_sigprocmask(SIG_SETMASK, [] [pid 6062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6063] <... futex resumed>) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [] [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6067] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6066] memfd_create("syzkaller", 0 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6061] <... close resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6067] memfd_create("syzkaller", 0 [pid 6066] <... memfd_create resumed>) = 3 [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6061] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6068 attached [pid 6067] <... memfd_create resumed>) = 3 [pid 6066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6065] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6064] <... clone3 resumed> => {parent_tid=[6068]}, 88) = 6068 [pid 6061] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6060] exit_group(0 [pid 6068] <... rseq resumed>) = 0 [pid 6067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6066] <... mmap resumed>) = 0x7f41a5370000 [pid 6065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6064] rt_sigprocmask(SIG_SETMASK, [] [pid 6061] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 6068] set_robust_list(0x7f41ad7909a0, 24 [pid 6067] <... mmap resumed>) = 0x7f41a5370000 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6061] +++ exited with 0 +++ [pid 6068] <... set_robust_list resumed>) = 0 [pid 6065] <... mmap resumed>) = 0x7f41ad770000 [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... futex resumed>) = 0 [pid 6065] <... mprotect resumed>) = 0 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [] [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6060] +++ exited with 0 +++ ci2-upstream-fs/strace-static-x86_64: Process 6069 attached [pid 6068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6069] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6068] memfd_create("syzkaller", 0 [pid 6069] <... rseq resumed>) = 0 [pid 6068] <... memfd_create resumed>) = 3 [pid 6065] <... clone3 resumed> => {parent_tid=[6069]}, 88) = 6069 [pid 6069] set_robust_list(0x7f41ad7909a0, 24 [pid 6068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [] [pid 6069] <... set_robust_list resumed>) = 0 [pid 6065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6069] rt_sigprocmask(SIG_SETMASK, [] [pid 6068] <... mmap resumed>) = 0x7f41a5370000 [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6069] memfd_create("syzkaller", 0 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6069] <... memfd_create resumed>) = 3 [pid 6069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6069] <... mmap resumed>) = 0x7f41a5370000 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] <... write resumed>) = 1048576 [pid 6068] munmap(0x7f41a5370000, 138412032) = 0 [pid 6069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6070 [pid 5601] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6070 attached , NULL, 8) = 0 [pid 6070] set_robust_list(0x5555683327a0, 24) = 0 [pid 6068] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6070] rt_sigprocmask(SIG_SETMASK, [] [pid 6067] <... write resumed>) = 1048576 [pid 6070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6069] <... write resumed>) = 1048576 [pid 6068] close(3 [pid 6067] munmap(0x7f41a5370000, 138412032 [pid 6066] <... write resumed>) = 1048576 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6069] munmap(0x7f41a5370000, 138412032 [pid 6067] <... munmap resumed>) = 0 [pid 6066] munmap(0x7f41a5370000, 138412032 [pid 6070] <... prctl resumed>) = 0 [pid 6069] <... munmap resumed>) = 0 [pid 6067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6066] <... munmap resumed>) = 0 [pid 6070] setpgid(0, 0 [pid 6069] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6067] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6070] <... setpgid resumed>) = 0 [pid 6069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6067] close(3 [pid 6066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] close(3 [pid 6070] <... openat resumed>) = 3 [pid 6069] close(3 [pid 6070] write(3, "1000", 4) = 4 [pid 6070] close(3) = 0 [pid 6070] write(1, "executing program\n", 18 executing program [pid 6069] <... close resumed>) = 0 [pid 6068] <... close resumed>) = 0 [pid 6067] <... close resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6070] <... write resumed>) = 18 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = 1 [pid 6067] <... futex resumed>) = 1 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6070] <... futex resumed>) = 0 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6070] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6069] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6068] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6067] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6066] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = 0 [pid 6070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6069] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6068] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6067] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6066] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... futex resumed>) = 1 [pid 6070] <... mmap resumed>) = 0x7f41ad770000 [pid 6068] <... futex resumed>) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6069] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6069] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] <... futex resumed>) = 0 [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6070] <... mprotect resumed>) = 0 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6069] <... futex resumed>) = 0 [pid 6068] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6067] <... futex resumed>) = 0 [pid 6066] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6071 attached [pid 6069] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6068] <... futex resumed>) = 1 [pid 6067] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... futex resumed>) = 1 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6070] <... clone3 resumed> => {parent_tid=[6071]}, 88) = 6071 [pid 6069] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... rseq resumed>) = 0 [pid 6070] rt_sigprocmask(SIG_SETMASK, [] [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] set_robust_list(0x7f41ad7909a0, 24 [pid 6070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6068] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6067] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6066] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6065] <... futex resumed>) = 0 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... set_robust_list resumed>) = 0 [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6067] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6071] rt_sigprocmask(SIG_SETMASK, [] [pid 6070] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6069] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6068] <... futex resumed>) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] memfd_create("syzkaller", 0 [pid 6069] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... memfd_create resumed>) = 3 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6069] <... futex resumed>) = 1 [pid 6068] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6067] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6066] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6065] <... futex resumed>) = 0 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... mmap resumed>) = 0x7f41a5370000 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6068] <... futex resumed>) = 1 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6068] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6063] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = 1 [pid 6064] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6069] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] mkdirat(AT_FDCWD, NULL, 0777 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6067] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] mkdirat(AT_FDCWD, NULL, 0777 [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6068] <... futex resumed>) = 1 [pid 6066] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6069] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] mkdirat(AT_FDCWD, NULL, 0777 [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6067] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 1 [pid 6069] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6066] mkdirat(AT_FDCWD, NULL, 0777 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... write resumed>) = 1048576 [pid 6069] <... openat resumed>) = 4 [pid 6068] <... futex resumed>) = 1 [pid 6067] <... openat resumed>) = 4 [pid 6066] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6064] <... futex resumed>) = 0 [pid 6071] munmap(0x7f41a5370000, 138412032 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... munmap resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = 1 [pid 6071] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6068] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6067] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6071] close(3 [pid 6069] <... futex resumed>) = 0 [pid 6068] <... openat resumed>) = 4 [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 1 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 0 [pid 6066] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6068] <... futex resumed>) = 1 [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] <... openat resumed>) = 4 [pid 6064] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... close resumed>) = 0 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] openat(AT_FDCWD, NULL, O_RDWR [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6067] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6069] openat(AT_FDCWD, NULL, O_RDWR [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 1 [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = 0 [pid 6071] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6068] <... futex resumed>) = 1 [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = 0 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6066] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] openat(AT_FDCWD, NULL, O_RDWR [pid 6067] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6069] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 1 [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6071] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6068] <... futex resumed>) = 1 [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] openat(AT_FDCWD, NULL, O_RDWR [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = 0 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] sendfile(-1, -1, NULL, 553647746 [pid 6066] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6067] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6069] sendfile(-1, -1, NULL, 553647746 [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 1 [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6071] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... futex resumed>) = 1 [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... futex resumed>) = 0 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] memfd_create("syzkaller", 0 [pid 6066] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6062] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] sendfile(-1, -1, NULL, 553647746 [pid 6067] <... memfd_create resumed>) = 5 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6066] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6069] memfd_create("syzkaller", 0 [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... mmap resumed>) = 0x7f41a5370000 [pid 6066] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... memfd_create resumed>) = 5 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6071] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6068] <... futex resumed>) = 1 [pid 6067] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6066] sendfile(-1, -1, NULL, 553647746 [pid 6064] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] memfd_create("syzkaller", 0 [pid 6066] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6069] <... mmap resumed>) = 0x7f41a5370000 [pid 6068] <... memfd_create resumed>) = 5 [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = 0 [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6066] <... futex resumed>) = 1 [pid 6064] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6063] <... futex resumed>) = 0 [pid 6066] memfd_create("syzkaller", 0 [pid 6063] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6069] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6068] <... mmap resumed>) = 0x7f41a5370000 [pid 6067] <... write resumed>) = 262144 [pid 6066] <... memfd_create resumed>) = 5 [pid 6063] <... futex resumed>) = 0 [pid 6071] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] munmap(0x7f41a5370000, 138412032 [pid 6066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6063] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6066] <... mmap resumed>) = 0x7f41a5370000 [pid 6068] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6067] <... munmap resumed>) = 0 [pid 6071] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... write resumed>) = 262144 [pid 6066] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6067] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] close(5 [pid 6069] munmap(0x7f41a5370000, 138412032 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] <... write resumed>) = 262144 [pid 6068] munmap(0x7f41a5370000, 138412032 [pid 6069] <... munmap resumed>) = 0 [pid 6068] <... munmap resumed>) = 0 [pid 6068] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6071] mkdirat(AT_FDCWD, NULL, 0777 [pid 6069] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6067] <... close resumed>) = 0 [pid 6066] <... write resumed>) = 262144 [pid 6071] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6068] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6067] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] munmap(0x7f41a5370000, 138412032 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(5 [pid 6068] close(5 [pid 6067] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6066] <... munmap resumed>) = 0 [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = 0 [pid 6067] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6062] exit_group(0 [pid 6071] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = ? [pid 6066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6062] <... exit_group resumed>) = ? [pid 6071] <... openat resumed>) = 4 [pid 6070] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... close resumed>) = 0 [pid 6067] +++ exited with 0 +++ [pid 6065] <... futex resumed>) = 0 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] close(5 [pid 6065] exit_group(0 [pid 6071] <... futex resumed>) = 0 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... futex resumed>) = 1 [pid 6065] <... exit_group resumed>) = ? [pid 6069] <... futex resumed>) = ? [pid 6064] <... futex resumed>) = 0 [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] +++ exited with 0 +++ [pid 6064] exit_group(0 [pid 6068] <... futex resumed>) = ? [pid 6064] <... exit_group resumed>) = ? [pid 6068] +++ exited with 0 +++ [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6071] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 6071] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24) = -1 EINVAL (Invalid argument) [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6071] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] openat(AT_FDCWD, NULL, O_RDWR [pid 6070] <... futex resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] +++ exited with 0 +++ [pid 6071] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] +++ exited with 0 +++ [pid 6066] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] +++ exited with 0 +++ [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6071] <... futex resumed>) = 0 [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = 0 [pid 6071] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6070] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6063] exit_group(0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6071] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... exit_group resumed>) = ? [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5603] <... restart_syscall resumed>) = 0 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... futex resumed>) = 0 [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6071] sendfile(-1, -1, NULL, 553647746) = -1 EBADF (Bad file descriptor) [pid 6070] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6066] +++ exited with 0 +++ [pid 6063] +++ exited with 0 +++ [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6072 attached [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6072] set_robust_list(0x5555683327a0, 24 [pid 6071] memfd_create("syzkaller", 0 [pid 6070] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6072 ci2-upstream-fs/strace-static-x86_64: Process 6073 attached [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] <... memfd_create resumed>) = 5 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6072] rt_sigprocmask(SIG_SETMASK, [] [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6073] set_robust_list(0x5555683327a0, 24 [pid 6072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6071] <... mmap resumed>) = 0x7f41a5370000 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6073 ci2-upstream-fs/strace-static-x86_64: Process 6074 attached [pid 6073] <... set_robust_list resumed>) = 0 [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6071] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6073] rt_sigprocmask(SIG_SETMASK, [] [pid 6072] <... prctl resumed>) = 0 [pid 6072] setpgid(0, 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6074] set_robust_list(0x5555683327a0, 24 [pid 6073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6072] <... setpgid resumed>) = 0 [pid 6071] <... write resumed>) = 262144 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6074 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6071] munmap(0x7f41a5370000, 138412032 [pid 6074] rt_sigprocmask(SIG_SETMASK, [] [pid 6073] <... prctl resumed>) = 0 [pid 6072] <... openat resumed>) = 3 [pid 6071] <... munmap resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6073] setpgid(0, 0 [pid 6072] write(3, "1000", 4ci2-upstream-fs/strace-static-x86_64: Process 6075 attached [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6073] <... setpgid resumed>) = 0 [pid 6072] <... write resumed>) = 4 [pid 6071] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6075] set_robust_list(0x5555683327a0, 24 [pid 6074] <... prctl resumed>) = 0 [pid 6072] close(3 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6075 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] setpgid(0, 0 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] <... close resumed>) = 0 [pid 6071] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6075] rt_sigprocmask(SIG_SETMASK, [] [pid 6074] <... setpgid resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6073] <... openat resumed>) = 3 [pid 6072] write(1, "executing program\n", 18 [pid 6071] close(5 [pid 6075] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] <... write resumed>) = 18 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6073] write(3, "1000", 4 [pid 6074] <... openat resumed>) = 3 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... close resumed>) = 0 [pid 6075] <... prctl resumed>) = 0 [pid 6074] write(3, "1000", 4 [pid 6072] <... futex resumed>) = 0 [pid 6075] setpgid(0, 0 [pid 6074] <... write resumed>) = 4 [pid 6072] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6075] <... setpgid resumed>) = 0 [pid 6074] close(3 [pid 6072] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6073] <... write resumed>) = 4 [pid 6071] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] <... close resumed>) = 0 [pid 6073] close(3 [pid 6072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6075] <... openat resumed>) = 3 [pid 6074] write(1, "executing program\n", 18 [pid 6073] <... close resumed>) = 0 [pid 6072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6071] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 6070] exit_group(0 [pid 6075] write(3, "1000", 4 [pid 6074] <... write resumed>) = 18 [pid 6073] write(1, "executing program\n", 18 executing program [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6071] <... futex resumed>) = ? [pid 6070] <... exit_group resumed>) = ? [pid 6075] <... write resumed>) = 4 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... write resumed>) = 18 [pid 6072] <... mmap resumed>) = 0x7f41ad770000 [pid 6071] +++ exited with 0 +++ [pid 6075] close(3 [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6074] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6073] <... futex resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6074] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6075] write(1, "executing program\n", 18 [pid 6073] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6072] <... mprotect resumed>) = 0 executing program [pid 6075] <... write resumed>) = 18 [pid 6074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6073] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6072] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6075] <... futex resumed>) = 0 [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6072] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6070] +++ exited with 0 +++ [pid 6075] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6074] <... mmap resumed>) = 0x7f41ad770000 [pid 6073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6076 attached [pid 6075] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6074] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6073] <... mmap resumed>) = 0x7f41ad770000 [pid 6076] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6074] <... mprotect resumed>) = 0 [pid 6073] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6072] <... clone3 resumed> => {parent_tid=[6076]}, 88) = 6076 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6076] <... rseq resumed>) = 0 [pid 6075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6073] <... mprotect resumed>) = 0 [pid 6072] rt_sigprocmask(SIG_SETMASK, [] [pid 6074] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6076] set_robust_list(0x7f41ad7909a0, 24 [pid 6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6073] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] <... mmap resumed>) = 0x7f41ad770000 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] rt_sigprocmask(SIG_SETMASK, [] [pid 6075] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6073] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6072] <... futex resumed>) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6077 attached [pid 6075] <... mprotect resumed>) = 0 [pid 6073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6077] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6076] memfd_create("syzkaller", 0 [pid 6074] <... clone3 resumed> => {parent_tid=[6077]}, 88) = 6077 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6078 attached [pid 6077] <... rseq resumed>) = 0 [pid 6076] <... memfd_create resumed>) = 3 [pid 6075] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6074] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6078] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6075] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6073] <... clone3 resumed> => {parent_tid=[6078]}, 88) = 6078 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] <... rseq resumed>) = 0 [pid 6077] set_robust_list(0x7f41ad7909a0, 24 [pid 6076] <... mmap resumed>) = 0x7f41a5370000 [pid 6075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6079 attached [pid 6078] set_robust_list(0x7f41ad7909a0, 24 [pid 6077] <... set_robust_list resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6080 attached [pid 6079] set_robust_list(0x5555683327a0, 24 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] rt_sigprocmask(SIG_SETMASK, [] [pid 6080] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_SETMASK, [] [pid 6077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6075] <... clone3 resumed> => {parent_tid=[6080]}, 88) = 6080 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6079 [pid 6080] <... rseq resumed>) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [] [pid 6078] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6077] memfd_create("syzkaller", 0 [pid 6076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6075] rt_sigprocmask(SIG_SETMASK, [] [pid 6073] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6078] memfd_create("syzkaller", 0 [pid 6080] set_robust_list(0x7f41ad7909a0, 24 [pid 6077] <... memfd_create resumed>) = 3 [pid 6076] <... write resumed>) = 1048576 [pid 6075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6078] <... memfd_create resumed>) = 3 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6076] munmap(0x7f41a5370000, 138412032 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6079] <... prctl resumed>) = 0 [pid 6078] <... mmap resumed>) = 0x7f41a5370000 [pid 6077] <... mmap resumed>) = 0x7f41a5370000 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] rt_sigprocmask(SIG_SETMASK, [] [pid 6079] setpgid(0, 0 [pid 6076] <... munmap resumed>) = 0 [pid 6080] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6079] <... setpgid resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6075] <... futex resumed>) = 0 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6076] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] close(3 [pid 6080] memfd_create("syzkaller", 0 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6080] <... memfd_create resumed>) = 3 [pid 6079] <... openat resumed>) = 3 [pid 6080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6079] write(3, "1000", 4) = 4 [pid 6080] <... mmap resumed>) = 0x7f41a5370000 [pid 6079] close(3) = 0 [pid 6077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6079] write(1, "executing program\n", 18) = 18 executing program [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6076] <... close resumed>) = 0 [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6072] <... futex resumed>) = 0 [pid 6079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6079] <... mmap resumed>) = 0x7f41ad770000 [pid 6076] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6078] <... write resumed>) = 1048576 [pid 6076] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6078] munmap(0x7f41a5370000, 138412032 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... mprotect resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6078] <... munmap resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6078] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6076] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6072] <... futex resumed>) = 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6081 attached [pid 6078] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6081] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6078] close(3 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... clone3 resumed> => {parent_tid=[6081]}, 88) = 6081 [pid 6081] <... rseq resumed>) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [] [pid 6076] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6081] set_robust_list(0x7f41ad7909a0, 24 [pid 6079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] rt_sigprocmask(SIG_SETMASK, [] [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6081] memfd_create("syzkaller", 0 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6078] <... close resumed>) = 0 [pid 6076] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6081] <... memfd_create resumed>) = 3 [pid 6080] <... write resumed>) = 1048576 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... write resumed>) = 1048576 [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6076] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6081] <... mmap resumed>) = 0x7f41a5370000 [pid 6080] munmap(0x7f41a5370000, 138412032 [pid 6078] <... futex resumed>) = 1 [pid 6077] munmap(0x7f41a5370000, 138412032 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 0 [pid 6080] <... munmap resumed>) = 0 [pid 6078] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] <... munmap resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = 0 [pid 6080] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] <... futex resumed>) = 0 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6080] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6078] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6077] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... futex resumed>) = 0 [pid 6078] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] close(3 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] close(3 [pid 6076] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6073] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6076] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6078] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6076] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6073] <... futex resumed>) = 0 [pid 6078] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] <... futex resumed>) = 0 [pid 6081] <... write resumed>) = 1048576 [pid 6078] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6076] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] munmap(0x7f41a5370000, 138412032 [pid 6078] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] <... close resumed>) = 0 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... munmap resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6078] <... futex resumed>) = 1 [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 0 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = 0 [pid 6081] close(3 [pid 6080] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6076] mkdirat(AT_FDCWD, NULL, 0777 [pid 6075] <... futex resumed>) = 0 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = 0 [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] <... futex resumed>) = 0 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6076] <... futex resumed>) = 1 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 6080] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6078] <... futex resumed>) = 0 [pid 6077] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6078] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6077] <... futex resumed>) = 0 [pid 6076] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... openat resumed>) = 4 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6080] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] mkdirat(AT_FDCWD, NULL, 0777 [pid 6077] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6076] <... futex resumed>) = 1 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6080] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6078] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6077] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 1 [pid 6076] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... futex resumed>) = 0 [pid 6078] <... openat resumed>) = 4 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6076] <... futex resumed>) = 1 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6081] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6080] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6078] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6077] <... futex resumed>) = 1 [pid 6076] openat(AT_FDCWD, NULL, O_RDWR [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] openat(AT_FDCWD, NULL, O_RDWR [pid 6077] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6076] <... futex resumed>) = 1 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... futex resumed>) = 1 [pid 6078] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] <... futex resumed>) = 0 [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6076] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6075] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6078] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6081] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... futex resumed>) = 0 [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 1 [pid 6078] sendfile(-1, -1, NULL, 553647746 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = 0 [pid 6078] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] mkdirat(AT_FDCWD, NULL, 0777 [pid 6076] sendfile(-1, -1, NULL, 553647746 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6075] <... futex resumed>) = 0 [pid 6080] mkdirat(AT_FDCWD, NULL, 0777 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6080] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... futex resumed>) = 0 [pid 6081] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 1 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... futex resumed>) = 0 [pid 6075] <... futex resumed>) = 0 [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... futex resumed>) = 0 [pid 6080] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] memfd_create("syzkaller", 0 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] memfd_create("syzkaller", 0 [pid 6077] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6076] <... memfd_create resumed>) = 5 [pid 6075] <... futex resumed>) = 0 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6072] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6079] <... futex resumed>) = 0 [pid 6078] <... memfd_create resumed>) = 5 [pid 6077] <... openat resumed>) = 4 [pid 6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6081] mkdirat(AT_FDCWD, NULL, 0777 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6081] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6080] <... openat resumed>) = 4 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... mmap resumed>) = 0x7f41a5370000 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... mmap resumed>) = 0x7f41a5370000 [pid 6077] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... futex resumed>) = 0 [pid 6077] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6076] <... write resumed>) = 262144 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] munmap(0x7f41a5370000, 138412032 [pid 6078] <... write resumed>) = 262144 [pid 6081] <... openat resumed>) = 4 [pid 6080] <... futex resumed>) = 0 [pid 6078] munmap(0x7f41a5370000, 138412032 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... munmap resumed>) = 0 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] openat(AT_FDCWD, NULL, O_RDWR [pid 6078] <... munmap resumed>) = 0 [pid 6077] <... futex resumed>) = 1 [pid 6076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6079] <... futex resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] close(5 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6078] close(5 [pid 6077] openat(AT_FDCWD, NULL, O_RDWR [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6080] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6075] <... futex resumed>) = 0 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6080] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6078] <... close resumed>) = 0 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... close resumed>) = 0 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... futex resumed>) = 0 [pid 6076] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6077] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6076] <... futex resumed>) = 1 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] sendfile(-1, -1, NULL, 553647746 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6076] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] <... futex resumed>) = 0 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] exit_group(0 [pid 6072] exit_group(0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = ? [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = ? [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] <... exit_group resumed>) = ? [pid 6072] <... exit_group resumed>) = ? [pid 6081] openat(AT_FDCWD, NULL, O_RDWR [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] +++ exited with 0 +++ [pid 6077] <... futex resumed>) = 0 [pid 6076] +++ exited with 0 +++ [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6080] <... futex resumed>) = 0 [pid 6077] sendfile(-1, -1, NULL, 553647746 [pid 6075] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = 0 [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] memfd_create("syzkaller", 0 [pid 6077] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... futex resumed>) = 0 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 6081] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6081] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... memfd_create resumed>) = 5 [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... futex resumed>) = 1 [pid 6080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6079] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6074] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... mmap resumed>) = 0x7f41a5370000 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] memfd_create("syzkaller", 0 [pid 6074] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6077] <... memfd_create resumed>) = 5 [pid 6074] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6080] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6081] sendfile(-1, -1, NULL, 553647746 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6079] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... write resumed>) = 262144 [pid 6081] memfd_create("syzkaller", 0 [pid 6079] <... futex resumed>) = 0 [pid 6077] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6080] munmap(0x7f41a5370000, 138412032 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6081] <... memfd_create resumed>) = 5 [pid 6079] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6081] <... mmap resumed>) = 0x7f41a5370000 [pid 6080] <... munmap resumed>) = 0 [pid 6080] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6081] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6080] close(5 [pid 6077] <... write resumed>) = 262144 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6081] <... write resumed>) = 262144 [pid 6081] munmap(0x7f41a5370000, 138412032 [pid 6077] munmap(0x7f41a5370000, 138412032 [pid 6081] <... munmap resumed>) = 0 [pid 6077] <... munmap resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6080] <... close resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6080] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6080] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6077] close(5ci2-upstream-fs/strace-static-x86_64: Process 6082 attached ci2-upstream-fs/strace-static-x86_64: Process 6083 attached [pid 6081] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6080] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] set_robust_list(0x5555683327a0, 24 [pid 6081] close(5 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6083] set_robust_list(0x5555683327a0, 24 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6082 [pid 6075] exit_group(0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6083 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 6077] <... close resumed>) = 0 [pid 6082] rt_sigprocmask(SIG_SETMASK, [] [pid 6083] rt_sigprocmask(SIG_SETMASK, [] [pid 6080] <... futex resumed>) = ? [pid 6077] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... exit_group resumed>) = ? [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] +++ exited with 0 +++ [pid 6077] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6082] <... prctl resumed>) = 0 [pid 6083] <... prctl resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6077] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] +++ exited with 0 +++ [pid 6074] exit_group(0 [pid 6082] setpgid(0, 0 [pid 6083] setpgid(0, 0 [pid 6081] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] exit_group(0 [pid 6074] <... exit_group resumed>) = ? [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6083] <... setpgid resumed>) = 0 [pid 6079] <... exit_group resumed>) = ? [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] <... futex resumed>) = ? [pid 6077] <... futex resumed>) = ? [pid 6082] <... setpgid resumed>) = 0 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6083] <... openat resumed>) = 3 [pid 6082] <... openat resumed>) = 3 [pid 6083] write(3, "1000", 4 [pid 6081] +++ exited with 0 +++ [pid 6079] +++ exited with 0 +++ [pid 6082] write(3, "1000", 4 [pid 6083] <... write resumed>) = 4 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6082] <... write resumed>) = 4 [pid 6083] close(3 [pid 6082] close(3 [pid 6077] +++ exited with 0 +++ [pid 6074] +++ exited with 0 +++ [pid 6083] <... close resumed>) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6082] <... close resumed>) = 0 [pid 6083] write(1, "executing program\n", 18 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6082] write(1, "executing program\n", 18 executing program [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6082] <... write resumed>) = 18 [pid 6083] <... write resumed>) = 18 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6082] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6083] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6084 attached [pid 6082] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6083] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6084] set_robust_list(0x5555683327a0, 24 [pid 6082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6083] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6084 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6084] <... set_robust_list resumed>) = 0 [pid 6082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6084] rt_sigprocmask(SIG_SETMASK, [] [pid 6082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6082] <... mmap resumed>) = 0x7f41ad770000 [pid 6083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6083] <... mmap resumed>) = 0x7f41ad770000 [pid 6082] <... mprotect resumed>) = 0 [pid 6084] <... prctl resumed>) = 0 [pid 6083] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITEci2-upstream-fs/strace-static-x86_64: Process 6085 attached [pid 6084] setpgid(0, 0 [pid 6082] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6083] <... mprotect resumed>) = 0 [pid 6084] <... setpgid resumed>) = 0 [pid 6082] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6086 attached [pid 6085] set_robust_list(0x5555683327a0, 24 [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6083] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6085 [pid 6086] set_robust_list(0x5555683327a0, 24 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6084] <... openat resumed>) = 3 [pid 5602] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6087 attached [pid 6085] rt_sigprocmask(SIG_SETMASK, [] [pid 6086] <... set_robust_list resumed>) = 0 [pid 6084] write(3, "1000", 4 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6086 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6083] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6087] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6086] rt_sigprocmask(SIG_SETMASK, [] [pid 6084] <... write resumed>) = 4 [pid 6087] <... rseq resumed>) = 0 [pid 6087] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6084] close(3 [pid 6082] <... clone3 resumed> => {parent_tid=[6087]}, 88) = 6087 [pid 6083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5601] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6088 attached [pid 6087] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] <... close resumed>) = 0 [pid 6082] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6088] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6086] <... prctl resumed>) = 0 [pid 6085] <... prctl resumed>) = 0 [pid 6084] write(1, "executing program\n", 18 [pid 6082] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6083] <... clone3 resumed> => {parent_tid=[6088]}, 88) = 6088 [pid 6088] <... rseq resumed>) = 0 [pid 6086] setpgid(0, 0 [pid 6085] setpgid(0, 0 [pid 6084] <... write resumed>) = 18 [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] rt_sigprocmask(SIG_SETMASK, [] [pid 6088] set_robust_list(0x7f41ad7909a0, 24 [pid 6087] <... futex resumed>) = 0 [pid 6086] <... setpgid resumed>) = 0 [pid 6085] <... setpgid resumed>) = 0 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 1 [pid 6083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6087] memfd_create("syzkaller", 0 [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 6088] rt_sigprocmask(SIG_SETMASK, [] [pid 6084] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6083] <... futex resumed>) = 0 [pid 6088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6087] <... memfd_create resumed>) = 3 [pid 6086] <... openat resumed>) = 3 [pid 6085] <... openat resumed>) = 3 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6084] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6088] memfd_create("syzkaller", 0 [pid 6087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6085] write(3, "1000", 4 [pid 6088] <... memfd_create resumed>) = 3 [pid 6087] <... mmap resumed>) = 0x7f41a5370000 [pid 6086] write(3, "1000", 4 [pid 6085] <... write resumed>) = 4 [pid 6084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6086] <... write resumed>) = 4 [pid 6084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6088] <... mmap resumed>) = 0x7f41a5370000 [pid 6086] close(3 [pid 6084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6086] <... close resumed>) = 0 [pid 6085] close(3 [pid 6084] <... mmap resumed>) = 0x7f41ad770000 [pid 6086] write(1, "executing program\n", 18 [pid 6085] <... close resumed>) = 0 [pid 6086] <... write resumed>) = 18 executing program [pid 6085] write(1, "executing program\n", 18 [pid 6084] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE executing program [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... write resumed>) = 18 [pid 6084] <... mprotect resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6084] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6086] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6085] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6086] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6085] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6084] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6089 attached [pid 6087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6089] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6086] <... mmap resumed>) = 0x7f41ad770000 [pid 6085] <... mmap resumed>) = 0x7f41ad770000 [pid 6084] <... clone3 resumed> => {parent_tid=[6089]}, 88) = 6089 [pid 6089] <... rseq resumed>) = 0 [pid 6088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6086] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6084] rt_sigprocmask(SIG_SETMASK, [] [pid 6086] <... mprotect resumed>) = 0 [pid 6084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6089] set_robust_list(0x7f41ad7909a0, 24 [pid 6086] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6085] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... set_robust_list resumed>) = 0 [pid 6086] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6085] <... mprotect resumed>) = 0 [pid 6089] rt_sigprocmask(SIG_SETMASK, [] [pid 6087] <... write resumed>) = 1048576 [pid 6084] <... futex resumed>) = 0 [pid 6089] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6089] memfd_create("syzkaller", 0 [pid 6087] munmap(0x7f41a5370000, 138412032 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6089] <... memfd_create resumed>) = 3 ci2-upstream-fs/strace-static-x86_64: Process 6090 attached [pid 6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6087] <... munmap resumed>) = 0 [pid 6085] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6090] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6089] <... mmap resumed>) = 0x7f41a5370000 [pid 6088] <... write resumed>) = 1048576 [pid 6087] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6086] <... clone3 resumed> => {parent_tid=[6090]}, 88) = 6090 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6091 attached [pid 6090] <... rseq resumed>) = 0 [pid 6088] munmap(0x7f41a5370000, 138412032 [pid 6086] rt_sigprocmask(SIG_SETMASK, [] [pid 6087] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6090] set_robust_list(0x7f41ad7909a0, 24 [pid 6088] <... munmap resumed>) = 0 [pid 6086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6090] rt_sigprocmask(SIG_SETMASK, [] [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6091] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6090] memfd_create("syzkaller", 0 [pid 6088] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6087] close(3 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6085] <... clone3 resumed> => {parent_tid=[6091]}, 88) = 6091 [pid 6091] <... rseq resumed>) = 0 [pid 6090] <... memfd_create resumed>) = 3 [pid 6088] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6085] rt_sigprocmask(SIG_SETMASK, [] [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6088] close(3 [pid 6091] set_robust_list(0x7f41ad7909a0, 24 [pid 6089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6087] <... close resumed>) = 0 [pid 6085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6091] <... set_robust_list resumed>) = 0 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] rt_sigprocmask(SIG_SETMASK, [] [pid 6087] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6091] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6087] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6091] memfd_create("syzkaller", 0 [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... memfd_create resumed>) = 3 [pid 6087] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6082] <... futex resumed>) = 0 [pid 6091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6087] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... mmap resumed>) = 0x7f41a5370000 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6087] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 6090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6087] <... futex resumed>) = 0 [pid 6087] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 1 [pid 6087] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... close resumed>) = 0 [pid 6087] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6087] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... futex resumed>) = 0 [pid 6088] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6087] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6089] <... write resumed>) = 1048576 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] munmap(0x7f41a5370000, 138412032 [pid 6088] <... futex resumed>) = 1 [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6089] <... munmap resumed>) = 0 [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... write resumed>) = 1048576 [pid 6089] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6083] <... futex resumed>) = 0 [pid 6090] munmap(0x7f41a5370000, 138412032 [pid 6089] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6088] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... munmap resumed>) = 0 [pid 6089] close(3 [pid 6088] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6087] mkdirat(AT_FDCWD, NULL, 0777 [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] close(3 [pid 6088] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 6087] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6082] <... futex resumed>) = 0 [pid 6088] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... futex resumed>) = 0 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... futex resumed>) = 0 [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6088] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6087] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6082] <... futex resumed>) = 0 [pid 6088] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... openat resumed>) = 4 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... write resumed>) = 1048576 [pid 6090] <... close resumed>) = 0 [pid 6089] <... close resumed>) = 0 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] munmap(0x7f41a5370000, 138412032 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... munmap resumed>) = 0 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 1 [pid 6088] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6087] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6086] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6091] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6090] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6089] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6088] <... futex resumed>) = 0 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6089] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6088] mkdirat(AT_FDCWD, NULL, 0777 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6091] close(3 [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = 1 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] openat(AT_FDCWD, NULL, O_RDWR [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] <... futex resumed>) = 0 [pid 6087] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6086] <... futex resumed>) = 0 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... close resumed>) = 0 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6088] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6087] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... futex resumed>) = 1 [pid 6090] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... openat resumed>) = 4 [pid 6087] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6086] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... futex resumed>) = 1 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] <... futex resumed>) = 1 [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6091] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] sendfile(-1, -1, NULL, 553647746 [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6090] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6089] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... futex resumed>) = 0 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = 1 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6082] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6090] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] <... futex resumed>) = 1 [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] memfd_create("syzkaller", 0 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] <... futex resumed>) = 0 [pid 6082] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... futex resumed>) = 0 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... memfd_create resumed>) = 5 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... futex resumed>) = 0 [pid 6091] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] openat(AT_FDCWD, NULL, O_RDWR [pid 6087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... futex resumed>) = 0 [pid 6091] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] mkdirat(AT_FDCWD, NULL, 0777 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6087] <... mmap resumed>) = 0x7f41a5370000 [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6089] <... futex resumed>) = 1 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] <... futex resumed>) = 0 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... futex resumed>) = 0 [pid 6088] <... futex resumed>) = 1 [pid 6087] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6091] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6089] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] <... futex resumed>) = 0 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... futex resumed>) = 0 [pid 6091] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... openat resumed>) = 4 [pid 6087] <... write resumed>) = 262144 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6091] <... futex resumed>) = 1 [pid 6090] <... futex resumed>) = 1 [pid 6088] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6085] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6091] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6090] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] munmap(0x7f41a5370000, 138412032 [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = 1 [pid 6086] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6090] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6089] <... futex resumed>) = 1 [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... munmap resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] <... futex resumed>) = 0 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] sendfile(-1, -1, NULL, 553647746 [pid 6087] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] mkdirat(AT_FDCWD, NULL, 0777 [pid 6090] <... futex resumed>) = 1 [pid 6089] mkdirat(AT_FDCWD, NULL, 0777 [pid 6088] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6086] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6090] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] close(5 [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = 1 [pid 6087] <... close resumed>) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] <... futex resumed>) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6090] openat(AT_FDCWD, NULL, O_RDWR [pid 6089] <... futex resumed>) = 1 [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] memfd_create("syzkaller", 0 [pid 6087] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6083] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6091] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6090] <... futex resumed>) = 1 [pid 6089] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6088] <... memfd_create resumed>) = 5 [pid 6087] <... futex resumed>) = 1 [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] <... futex resumed>) = 0 [pid 6091] <... openat resumed>) = 4 [pid 6090] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] <... openat resumed>) = 4 [pid 6088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6087] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] exit_group(0 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... mmap resumed>) = 0x7f41a5370000 [pid 6087] <... futex resumed>) = ? [pid 6086] <... futex resumed>) = 0 [pid 6082] <... exit_group resumed>) = ? [pid 6091] <... futex resumed>) = 1 [pid 6090] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6089] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... futex resumed>) = 0 [pid 6090] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6090] <... futex resumed>) = 1 [pid 6089] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6087] +++ exited with 0 +++ [pid 6086] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6082] +++ exited with 0 +++ [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6091] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... write resumed>) = 262144 [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6091] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] sendfile(-1, -1, NULL, 553647746 [pid 6089] <... futex resumed>) = 0 [pid 6088] munmap(0x7f41a5370000, 138412032 [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] openat(AT_FDCWD, NULL, O_RDWR [pid 6088] <... munmap resumed>) = 0 [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6088] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6085] <... futex resumed>) = 1 [pid 6091] openat(AT_FDCWD, NULL, O_RDWR [pid 6090] <... futex resumed>) = 1 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6090] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] <... futex resumed>) = 0 [pid 6088] close(5 [pid 6086] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] <... futex resumed>) = 0 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... futex resumed>) = 1 [pid 6090] memfd_create("syzkaller", 0 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6085] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6088] <... close resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6091] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] <... memfd_create resumed>) = 5 [pid 6089] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6088] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6089] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6088] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6091] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6090] <... mmap resumed>) = 0x7f41a5370000 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] exit_group(0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6091] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6089] <... futex resumed>) = 1 [pid 6088] <... futex resumed>) = ? [pid 6084] <... futex resumed>) = 0 [pid 6083] <... exit_group resumed>) = ? [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] +++ exited with 0 +++ [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6084] <... futex resumed>) = 0 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] <... futex resumed>) = 1 [pid 6089] sendfile(-1, -1, NULL, 553647746 [pid 6085] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6092 attached [pid 6091] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] +++ exited with 0 +++ [pid 6092] set_robust_list(0x5555683327a0, 24 [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6092 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] sendfile(-1, -1, NULL, 553647746 [pid 6090] <... write resumed>) = 262144 [pid 6089] <... futex resumed>) = 1 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6092] rt_sigprocmask(SIG_SETMASK, [] [pid 6091] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] memfd_create("syzkaller", 0 [pid 6084] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] munmap(0x7f41a5370000, 138412032 [pid 6089] <... memfd_create resumed>) = 5 [pid 6084] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6091] <... futex resumed>) = 1 [pid 6090] <... munmap resumed>) = 0 [pid 6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6085] <... futex resumed>) = 0 [pid 6084] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6092] <... prctl resumed>) = 0 [pid 6091] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6089] <... mmap resumed>) = 0x7f41a5370000 [pid 6085] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] setpgid(0, 0 [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6092] <... setpgid resumed>) = 0 [pid 6085] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6091] memfd_create("syzkaller", 0 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] <... memfd_create resumed>) = 5 [pid 6092] <... openat resumed>) = 3 [pid 6090] close(5 [pid 6089] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6092] write(3, "1000", 4 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] <... write resumed>) = 4 [pid 6091] <... mmap resumed>) = 0x7f41a5370000 [pid 6092] close(3) = 0 [pid 6089] <... write resumed>) = 262144 [pid 6092] write(1, "executing program\n", 18 [pid 6089] munmap(0x7f41a5370000, 138412032 [pid 6092] <... write resumed>) = 18 [pid 6089] <... munmap resumed>) = 0 executing program [pid 6089] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6089] close(5 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... close resumed>) = 0 [pid 6092] <... futex resumed>) = 0 [pid 6090] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6093 ci2-upstream-fs/strace-static-x86_64: Process 6093 attached [pid 6092] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6091] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6089] <... close resumed>) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6093] set_robust_list(0x5555683327a0, 24 [pid 6092] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6090] <... futex resumed>) = 1 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6086] exit_group(0 [pid 6089] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... set_robust_list resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6086] <... exit_group resumed>) = ? [pid 6093] rt_sigprocmask(SIG_SETMASK, [] [pid 6089] <... futex resumed>) = 1 [pid 6089] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6084] <... futex resumed>) = 0 [pid 6093] <... prctl resumed>) = 0 [pid 6092] <... mmap resumed>) = 0x7f41ad770000 [pid 6084] exit_group(0 [pid 6093] setpgid(0, 0 [pid 6089] <... futex resumed>) = ? [pid 6093] <... setpgid resumed>) = 0 [pid 6084] <... exit_group resumed>) = ? [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6093] <... openat resumed>) = 3 [pid 6092] <... mprotect resumed>) = 0 [pid 6091] <... write resumed>) = 262144 [pid 6090] +++ exited with 0 +++ [pid 6086] +++ exited with 0 +++ [pid 6092] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6091] munmap(0x7f41a5370000, 138412032 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6093] write(3, "1000", 4 [pid 6092] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6089] +++ exited with 0 +++ [pid 6084] +++ exited with 0 +++ [pid 6093] <... write resumed>) = 4 [pid 6091] <... munmap resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6094 attached [pid 6093] close(3 [pid 6091] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6093] <... close resumed>) = 0 [pid 6092] <... clone3 resumed> => {parent_tid=[6094]}, 88) = 6094 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6094] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6093] write(1, "executing program\n", 18 [pid 6092] rt_sigprocmask(SIG_SETMASK, [] [pid 6091] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... restart_syscall resumed>) = 0 executing program [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6094] <... rseq resumed>) = 0 [pid 6093] <... write resumed>) = 18 [pid 6092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6091] close(5 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6094] set_robust_list(0x7f41ad7909a0, 24 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6092] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6095 attached [pid 6094] rt_sigprocmask(SIG_SETMASK, [] [pid 6093] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6095] set_robust_list(0x5555683327a0, 24 [pid 6094] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6091] <... close resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6095 [pid 6093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6091] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6094] memfd_create("syzkaller", 0 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6091] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6095] rt_sigprocmask(SIG_SETMASK, [] [pid 6091] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] exit_group(0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6093] <... mmap resumed>) = 0x7f41ad770000 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6094] <... memfd_create resumed>) = 3 [pid 6085] <... exit_group resumed>) = ? [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6095] setpgid(0, 0) = 0 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6091] <... futex resumed>) = ? [pid 6095] <... openat resumed>) = 3 [pid 6095] write(3, "1000", 4ci2-upstream-fs/strace-static-x86_64: Process 6096 attached [pid 6094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6093] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6091] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6096] set_robust_list(0x5555683327a0, 24 [pid 6095] <... write resumed>) = 4 [pid 6094] <... mmap resumed>) = 0x7f41a5370000 [pid 6093] <... mprotect resumed>) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6096 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] close(3 [pid 6096] rt_sigprocmask(SIG_SETMASK, [] [pid 6095] <... close resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6095] write(1, "executing program\n", 18) = 18 executing program [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6093] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6096] <... prctl resumed>) = 0 [pid 6095] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6096] setpgid(0, 0ci2-upstream-fs/strace-static-x86_64: Process 6098 attached ) = 0 [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6098] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6098] <... rseq resumed>) = 0 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6093] <... clone3 resumed> => {parent_tid=[6098]}, 88) = 6098 [pid 6096] <... openat resumed>) = 3 [pid 6095] <... mmap resumed>) = 0x7f41ad770000 [pid 6093] rt_sigprocmask(SIG_SETMASK, [] [pid 6098] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6098] rt_sigprocmask(SIG_SETMASK, [] [pid 6095] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6095] <... mprotect resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] write(3, "1000", 4 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6093] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6099 attached [pid 6096] <... write resumed>) = 4 [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] close(3 [pid 6099] set_robust_list(0x5555683327a0, 24 [pid 6098] <... futex resumed>) = 0 [pid 6095] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6093] <... futex resumed>) = 1 [pid 6096] <... close resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6099 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6098] memfd_create("syzkaller", 0 [pid 6096] write(1, "executing program\n", 18 [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6098] <... memfd_create resumed>) = 3 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 6100 attached [pid 6099] rt_sigprocmask(SIG_SETMASK, [] [pid 6098] <... mmap resumed>) = 0x7f41a5370000 [pid 6096] <... write resumed>) = 18 [pid 6100] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... rseq resumed>) = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6096] <... futex resumed>) = 0 [pid 6100] set_robust_list(0x7f41ad7909a0, 24 [pid 6099] <... prctl resumed>) = 0 [pid 6096] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6095] <... clone3 resumed> => {parent_tid=[6100]}, 88) = 6100 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] setpgid(0, 0 [pid 6096] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6100] rt_sigprocmask(SIG_SETMASK, [] [pid 6099] <... setpgid resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6095] rt_sigprocmask(SIG_SETMASK, [] [pid 6100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... openat resumed>) = 3 [pid 6096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6100] memfd_create("syzkaller", 0 [pid 6099] write(3, "1000", 4 [pid 6096] <... mmap resumed>) = 0x7f41ad770000 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6099] <... write resumed>) = 4 [pid 6096] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6099] close(3 [pid 6098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6096] <... mprotect resumed>) = 0 [pid 6100] <... memfd_create resumed>) = 3 [pid 6100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] <... close resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6094] <... write resumed>) = 1048576 [pid 6100] <... mmap resumed>) = 0x7f41a5370000 [pid 6099] write(1, "executing program\n", 18 [pid 6096] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 6094] munmap(0x7f41a5370000, 138412032 [pid 6099] <... write resumed>) = 18 [pid 6096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6094] <... munmap resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6101 attached [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6101] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6099] <... futex resumed>) = 0 [pid 6101] <... rseq resumed>) = 0 [pid 6099] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6096] <... clone3 resumed> => {parent_tid=[6101]}, 88) = 6101 [pid 6101] set_robust_list(0x7f41ad7909a0, 24 [pid 6099] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6096] rt_sigprocmask(SIG_SETMASK, [] [pid 6101] <... set_robust_list resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6094] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] rt_sigprocmask(SIG_SETMASK, [] [pid 6099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6094] close(3 [pid 6101] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] memfd_create("syzkaller", 0 [pid 6100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6099] <... mmap resumed>) = 0x7f41ad770000 [pid 6096] <... futex resumed>) = 0 [pid 6101] <... memfd_create resumed>) = 3 [pid 6099] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] <... mprotect resumed>) = 0 [pid 6101] <... mmap resumed>) = 0x7f41a5370000 [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6098] <... write resumed>) = 1048576 [pid 6099] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6102 attached [pid 6098] munmap(0x7f41a5370000, 138412032 [pid 6099] <... clone3 resumed> => {parent_tid=[6102]}, 88) = 6102 [pid 6098] <... munmap resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [] [pid 6102] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6098] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6102] <... rseq resumed>) = 0 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... close resumed>) = 0 [pid 6102] set_robust_list(0x7f41ad7909a0, 24 [pid 6098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6102] rt_sigprocmask(SIG_SETMASK, [] [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6098] close(3 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... futex resumed>) = 0 [pid 6102] memfd_create("syzkaller", 0 [pid 6101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... memfd_create resumed>) = 3 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6100] <... write resumed>) = 1048576 [pid 6094] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6102] <... mmap resumed>) = 0x7f41a5370000 [pid 6100] munmap(0x7f41a5370000, 138412032 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = -1 EISDIR (Is a directory) [pid 6100] <... munmap resumed>) = 0 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6094] <... futex resumed>) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6100] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6094] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] close(3 [pid 6098] <... close resumed>) = 0 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6094] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... write resumed>) = 1048576 [pid 6100] <... close resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6093] <... futex resumed>) = 1 [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] munmap(0x7f41a5370000, 138412032 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6094] <... futex resumed>) = 0 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... futex resumed>) = 1 [pid 6102] <... write resumed>) = 1048576 [pid 6101] <... munmap resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6098] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6095] <... futex resumed>) = 0 [pid 6094] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] munmap(0x7f41a5370000, 138412032 [pid 6101] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... munmap resumed>) = 0 [pid 6101] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6102] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6100] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] close(3 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... futex resumed>) = 1 [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... futex resumed>) = 0 [pid 6102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6100] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] close(3 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6098] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6095] <... futex resumed>) = 0 [pid 6094] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6100] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] <... futex resumed>) = 1 [pid 6098] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... close resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6098] <... futex resumed>) = 1 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] mkdirat(AT_FDCWD, NULL, 0777 [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... futex resumed>) = 0 [pid 6094] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6100] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6098] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 0 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6101] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6098] <... futex resumed>) = 1 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... futex resumed>) = 0 [pid 6094] <... openat resumed>) = 4 [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6100] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6098] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... futex resumed>) = 0 [pid 6102] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6092] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 1 [pid 6096] <... futex resumed>) = 0 [pid 6094] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6101] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = 0 [pid 6102] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] mkdirat(AT_FDCWD, NULL, 0777 [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] <... futex resumed>) = 0 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = 1 [pid 6101] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6100] mkdirat(AT_FDCWD, NULL, 0777 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 1 [pid 6094] openat(AT_FDCWD, NULL, O_RDWR [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6102] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 1 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... openat resumed>) = 4 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 1 [pid 6101] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6100] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... openat resumed>) = 4 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 1 [pid 6094] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6101] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 1 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... futex resumed>) = 0 [pid 6102] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 1 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 1 [pid 6096] <... futex resumed>) = 0 [pid 6094] sendfile(-1, -1, NULL, 553647746 [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] mkdirat(AT_FDCWD, NULL, 0777 [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] mkdirat(AT_FDCWD, NULL, 0777 [pid 6101] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6102] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] openat(AT_FDCWD, NULL, O_RDWR [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 1 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] openat(AT_FDCWD, NULL, O_RDWR [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 1 [pid 6096] <... futex resumed>) = 0 [pid 6094] memfd_create("syzkaller", 0 [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... memfd_create resumed>) = 5 [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6101] <... openat resumed>) = 4 [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6093] <... futex resumed>) = 0 [pid 6102] <... openat resumed>) = 4 [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... mmap resumed>) = 0x7f41a5370000 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6102] <... futex resumed>) = 1 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 1 [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6102] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6101] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... futex resumed>) = 0 [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] <... futex resumed>) = 0 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] <... futex resumed>) = 0 [pid 6101] openat(AT_FDCWD, NULL, O_RDWR [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6102] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] <... futex resumed>) = 0 [pid 6094] <... write resumed>) = 262144 [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 1 [pid 6102] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6098] sendfile(-1, -1, NULL, 553647746 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6094] munmap(0x7f41a5370000, 138412032 [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] sendfile(-1, -1, NULL, 553647746 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... munmap resumed>) = 0 [pid 6093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] openat(AT_FDCWD, NULL, O_RDWR [pid 6101] <... futex resumed>) = 0 [pid 6100] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = 0 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] memfd_create("syzkaller", 0 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6093] <... futex resumed>) = 0 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... futex resumed>) = 1 [pid 6098] <... memfd_create resumed>) = 5 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6093] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6102] <... futex resumed>) = 1 [pid 6101] sendfile(-1, -1, NULL, 553647746 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... futex resumed>) = 0 [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] close(5 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... mmap resumed>) = 0x7f41a5370000 [pid 6095] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6102] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6101] <... futex resumed>) = 1 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] <... futex resumed>) = 0 [pid 6102] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] memfd_create("syzkaller", 0 [pid 6096] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] <... futex resumed>) = 0 [pid 6096] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] memfd_create("syzkaller", 0 [pid 6100] <... memfd_create resumed>) = 5 [pid 6094] <... close resumed>) = 0 [pid 6102] <... futex resumed>) = 1 [pid 6100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] <... futex resumed>) = 0 [pid 6098] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6094] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... mmap resumed>) = 0x7f41a5370000 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 1 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] <... memfd_create resumed>) = 5 [pid 6100] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6099] <... futex resumed>) = 0 [pid 6094] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... futex resumed>) = 0 [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6102] sendfile(-1, -1, NULL, 553647746 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... mmap resumed>) = 0x7f41a5370000 [pid 6092] exit_group(0 [pid 6102] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... write resumed>) = 262144 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = ? [pid 6092] <... exit_group resumed>) = ? [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6100] <... write resumed>) = 262144 [pid 6099] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] munmap(0x7f41a5370000, 138412032 [pid 6094] +++ exited with 0 +++ [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... futex resumed>) = 0 [pid 6098] <... munmap resumed>) = 0 [pid 6102] memfd_create("syzkaller", 0 [pid 6099] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6102] <... memfd_create resumed>) = 5 [pid 6100] munmap(0x7f41a5370000, 138412032 [pid 6098] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6092] +++ exited with 0 +++ [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6100] <... munmap resumed>) = 0 [pid 6098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6102] <... mmap resumed>) = 0x7f41a5370000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6098] close(5 [pid 6100] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5603] <... restart_syscall resumed>) = 0 [pid 6100] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6100] close(5 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6102] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6101] <... write resumed>) = 262144 [pid 6100] <... close resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 6102] <... write resumed>) = 262144 [pid 6101] munmap(0x7f41a5370000, 138412032 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6100] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6093] <... futex resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6103 attached [pid 6102] munmap(0x7f41a5370000, 138412032 [pid 6101] <... munmap resumed>) = 0 [pid 6100] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] exit_group(0 [pid 6093] exit_group(0 [pid 6103] set_robust_list(0x5555683327a0, 24 [pid 6102] <... munmap resumed>) = 0 [pid 6101] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6100] <... futex resumed>) = ? [pid 6098] <... futex resumed>) = ? [pid 6095] <... exit_group resumed>) = ? [pid 6093] <... exit_group resumed>) = ? [pid 6103] <... set_robust_list resumed>) = 0 [pid 6102] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6101] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6103] rt_sigprocmask(SIG_SETMASK, [] [pid 6102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] close(5 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6103 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6102] close(5 [pid 6100] +++ exited with 0 +++ [pid 6098] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6101] <... close resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6101] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6101] <... futex resumed>) = 1 [pid 6103] <... prctl resumed>) = 0 [pid 6102] <... close resumed>) = 0 [pid 6101] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... futex resumed>) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6103] setpgid(0, 0 [pid 6096] exit_group(0 [pid 6103] <... setpgid resumed>) = 0 [pid 6102] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] <... futex resumed>) = 1 [pid 6103] <... openat resumed>) = 3 [pid 6101] <... futex resumed>) = ? [pid 6099] <... futex resumed>) = 0 [pid 6096] <... exit_group resumed>) = ? [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6102] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] exit_group(0 [pid 6103] write(3, "1000", 4 [pid 6102] <... futex resumed>) = ? [pid 6099] <... exit_group resumed>) = ? [pid 6103] <... write resumed>) = 4 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6103] close(3) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6104 attached [pid 6103] write(1, "executing program\n", 18 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6103] <... write resumed>) = 18 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6104 executing program [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6104] set_robust_list(0x5555683327a0, 24 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] +++ exited with 0 +++ [pid 6099] +++ exited with 0 +++ [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6104] <... set_robust_list resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6103] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6104] rt_sigprocmask(SIG_SETMASK, [] [pid 6103] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-upstream-fs/strace-static-x86_64: Process 6105 attached [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6105] set_robust_list(0x5555683327a0, 24 [pid 6104] <... prctl resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6105 [pid 6103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] setpgid(0, 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6105] rt_sigprocmask(SIG_SETMASK, [] [pid 6104] <... setpgid resumed>) = 0 [pid 6103] <... mmap resumed>) = 0x7f41ad770000 [pid 6101] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 5602] <... restart_syscall resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] <... openat resumed>) = 3 [pid 6103] <... mprotect resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6105] <... prctl resumed>) = 0 [pid 6103] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6105] setpgid(0, 0 [pid 6104] write(3, "1000", 4 [pid 6103] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6105] <... setpgid resumed>) = 0 [pid 6103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6104] <... write resumed>) = 4 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] close(3 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6106 attached [pid 6104] <... close resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6106] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6105] <... openat resumed>) = 3 executing program [pid 6104] write(1, "executing program\n", 18 [pid 6106] <... rseq resumed>) = 0 [pid 6105] write(3, "1000", 4 [pid 6104] <... write resumed>) = 18 [pid 6103] <... clone3 resumed> => {parent_tid=[6106]}, 88) = 6106 [pid 5605] <... restart_syscall resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6106] set_robust_list(0x7f41ad7909a0, 24 [pid 6105] <... write resumed>) = 4 [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] rt_sigprocmask(SIG_SETMASK, [] [pid 6106] <... set_robust_list resumed>) = 0 [pid 6105] close(3 [pid 6104] <... futex resumed>) = 0 [pid 6103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6106] rt_sigprocmask(SIG_SETMASK, [] [pid 6105] <... close resumed>) = 0 [pid 6104] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6107 attached [pid 6106] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6105] write(1, "executing program\n", 18 [pid 6104] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6103] <... futex resumed>) = 0 executing program [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6107] set_robust_list(0x5555683327a0, 24 [pid 6106] memfd_create("syzkaller", 0 [pid 6105] <... write resumed>) = 18 [pid 6104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6107 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6106] <... memfd_create resumed>) = 3 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6107] rt_sigprocmask(SIG_SETMASK, [] [pid 6106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6105] <... futex resumed>) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6105] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6106] <... mmap resumed>) = 0x7f41a5370000 [pid 6105] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6104] <... mmap resumed>) = 0x7f41ad770000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6104] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6105] <... mmap resumed>) = 0x7f41ad770000 [pid 6107] <... prctl resumed>) = 0 [pid 6105] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6104] <... mprotect resumed>) = 0 [pid 6107] setpgid(0, 0 [pid 6105] <... mprotect resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6107] <... setpgid resumed>) = 0 [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6104] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6105] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6107] <... openat resumed>) = 3 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6110 attached ci2-upstream-fs/strace-static-x86_64: Process 6109 attached ci2-upstream-fs/strace-static-x86_64: Process 6108 attached [pid 6107] write(3, "1000", 4 [pid 6109] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6108] set_robust_list(0x5555683327a0, 24 [pid 6105] <... clone3 resumed> => {parent_tid=[6109]}, 88) = 6109 [pid 6110] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6109] <... rseq resumed>) = 0 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] <... write resumed>) = 4 [pid 6105] rt_sigprocmask(SIG_SETMASK, [] [pid 6104] <... clone3 resumed> => {parent_tid=[6110]}, 88) = 6110 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6108 [pid 6110] <... rseq resumed>) = 0 [pid 6109] set_robust_list(0x7f41ad7909a0, 24 [pid 6107] close(3 [pid 6106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6104] rt_sigprocmask(SIG_SETMASK, [] [pid 6110] set_robust_list(0x7f41ad7909a0, 24 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6108] rt_sigprocmask(SIG_SETMASK, [] [pid 6107] <... close resumed>) = 0 [pid 6105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] rt_sigprocmask(SIG_SETMASK, [] [pid 6108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6105] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6110] rt_sigprocmask(SIG_SETMASK, [] [pid 6107] write(1, "executing program\n", 18 executing program [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6109] memfd_create("syzkaller", 0 [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] <... write resumed>) = 18 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6104] <... futex resumed>) = 0 [pid 6109] <... memfd_create resumed>) = 3 [pid 6108] <... prctl resumed>) = 0 [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6108] setpgid(0, 0 [pid 6110] memfd_create("syzkaller", 0 [pid 6109] <... mmap resumed>) = 0x7f41a5370000 [pid 6108] <... setpgid resumed>) = 0 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6107] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6110] <... memfd_create resumed>) = 3 [pid 6107] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6110] <... mmap resumed>) = 0x7f41a5370000 [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6108] <... openat resumed>) = 3 [pid 6107] <... mmap resumed>) = 0x7f41ad770000 [pid 6108] write(3, "1000", 4 [pid 6107] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... write resumed>) = 4 [pid 6108] close(3) = 0 [pid 6108] write(1, "executing program\n", 18 [pid 6107] <... mprotect resumed>) = 0 executing program [pid 6108] <... write resumed>) = 18 [pid 6110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6106] <... write resumed>) = 1048576 [pid 6108] <... futex resumed>) = 0 [pid 6107] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6106] munmap(0x7f41a5370000, 138412032ci2-upstream-fs/strace-static-x86_64: Process 6111 attached [pid 6108] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6111] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6107] <... clone3 resumed> => {parent_tid=[6111]}, 88) = 6111 [pid 6106] <... munmap resumed>) = 0 [pid 6111] <... rseq resumed>) = 0 [pid 6108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6111] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6107] rt_sigprocmask(SIG_SETMASK, [] [pid 6111] rt_sigprocmask(SIG_SETMASK, [] [pid 6107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6106] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6108] <... mmap resumed>) = 0x7f41ad770000 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] memfd_create("syzkaller", 0 [pid 6108] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6111] <... memfd_create resumed>) = 3 [pid 6108] <... mprotect resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6106] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6108] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6106] close(3 [pid 6111] <... mmap resumed>) = 0x7f41a5370000 [pid 6108] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6112 attached [pid 6111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6110] <... write resumed>) = 1048576 [pid 6109] <... write resumed>) = 1048576 [pid 6108] <... clone3 resumed> => {parent_tid=[6112]}, 88) = 6112 [pid 6112] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6110] munmap(0x7f41a5370000, 138412032 [pid 6109] munmap(0x7f41a5370000, 138412032 [pid 6108] rt_sigprocmask(SIG_SETMASK, [] [pid 6106] <... close resumed>) = 0 [pid 6112] <... rseq resumed>) = 0 [pid 6110] <... munmap resumed>) = 0 [pid 6109] <... munmap resumed>) = 0 [pid 6108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6112] set_robust_list(0x7f41ad7909a0, 24 [pid 6110] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6110] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6109] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] rt_sigprocmask(SIG_SETMASK, [] [pid 6108] <... futex resumed>) = 0 [pid 6112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6110] close(3 [pid 6106] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6112] memfd_create("syzkaller", 0 [pid 6109] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] close(3 [pid 6106] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6103] <... futex resumed>) = 0 [pid 6112] <... memfd_create resumed>) = 3 [pid 6106] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6106] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6106] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6112] <... mmap resumed>) = 0x7f41a5370000 [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6106] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = 0 [pid 6103] <... futex resumed>) = 1 [pid 6106] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] <... close resumed>) = 0 [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... close resumed>) = 0 [pid 6106] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6106] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... write resumed>) = 1048576 [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6111] munmap(0x7f41a5370000, 138412032 [pid 6110] <... futex resumed>) = 1 [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... futex resumed>) = 0 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... munmap resumed>) = 0 [pid 6110] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6110] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6109] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6106] <... futex resumed>) = 0 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... futex resumed>) = 0 [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6106] mkdirat(AT_FDCWD, NULL, 0777 [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... futex resumed>) = 0 [pid 6111] close(3 [pid 6110] <... futex resumed>) = 0 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... write resumed>) = 1048576 [pid 6109] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6112] munmap(0x7f41a5370000, 138412032 [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... munmap resumed>) = 0 [pid 6111] <... close resumed>) = 0 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 6112] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 1 [pid 6112] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6110] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6109] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... futex resumed>) = 0 [pid 6112] close(3 [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6106] <... openat resumed>) = 4 [pid 6104] <... futex resumed>) = 0 [pid 6111] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6109] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 1 [pid 6110] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... futex resumed>) = 0 [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6106] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6111] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6109] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 1 [pid 6110] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... futex resumed>) = 0 [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] openat(AT_FDCWD, NULL, O_RDWR [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6106] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6111] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... futex resumed>) = 1 [pid 6110] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6107] <... futex resumed>) = 0 [pid 6106] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] <... close resumed>) = 0 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6106] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6103] <... futex resumed>) = 0 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6106] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6111] <... futex resumed>) = 1 [pid 6110] <... futex resumed>) = 1 [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6106] sendfile(-1, -1, NULL, 553647746 [pid 6104] <... futex resumed>) = 0 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... futex resumed>) = 0 [pid 6112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6111] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6110] mkdirat(AT_FDCWD, NULL, 0777 [pid 6109] <... futex resumed>) = 1 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... futex resumed>) = 0 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6110] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6109] mkdirat(AT_FDCWD, NULL, 0777 [pid 6106] <... futex resumed>) = 1 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... futex resumed>) = 0 [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = 1 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = 0 [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] <... futex resumed>) = 1 [pid 6110] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6109] <... futex resumed>) = 0 [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = 0 [pid 6106] memfd_create("syzkaller", 0 [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 6103] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... openat resumed>) = 4 [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = 0 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... memfd_create resumed>) = 5 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... futex resumed>) = 0 [pid 6106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6111] mkdirat(AT_FDCWD, NULL, 0777 [pid 6110] <... futex resumed>) = 0 [pid 6109] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... mmap resumed>) = 0x7f41a5370000 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6110] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6109] <... openat resumed>) = 4 [pid 6104] <... futex resumed>) = 0 [pid 6110] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = 1 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] <... futex resumed>) = 1 [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... futex resumed>) = 1 [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = 0 [pid 6106] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = 0 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... futex resumed>) = 0 [pid 6106] <... write resumed>) = 262144 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6112] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6110] openat(AT_FDCWD, NULL, O_RDWR [pid 6109] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] munmap(0x7f41a5370000, 138412032 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... openat resumed>) = 4 [pid 6110] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6109] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6106] <... munmap resumed>) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] <... futex resumed>) = 1 [pid 6110] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 1 [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] openat(AT_FDCWD, NULL, O_RDWR [pid 6108] <... futex resumed>) = 0 [pid 6111] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6110] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6111] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6110] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6109] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... futex resumed>) = 0 [pid 6106] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6112] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] close(5 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] <... futex resumed>) = 1 [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = 0 [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] openat(AT_FDCWD, NULL, O_RDWR [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6108] <... futex resumed>) = 0 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... close resumed>) = 0 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6111] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6109] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... futex resumed>) = 0 [pid 6106] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6110] sendfile(-1, -1, NULL, 553647746 [pid 6109] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] <... futex resumed>) = 0 [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] exit_group(0 [pid 6112] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = ? [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... exit_group resumed>) = ? [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6106] +++ exited with 0 +++ [pid 6105] <... futex resumed>) = 0 [pid 6109] sendfile(-1, -1, NULL, 553647746 [pid 6108] <... futex resumed>) = 0 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... futex resumed>) = 1 [pid 6109] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] mkdirat(AT_FDCWD, NULL, 0777 [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6110] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 1 [pid 6108] <... futex resumed>) = 0 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6112] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6111] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6110] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] memfd_create("syzkaller", 0 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] +++ exited with 0 +++ [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6112] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6110] memfd_create("syzkaller", 0 [pid 6109] <... memfd_create resumed>) = 5 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6105] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6104] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... memfd_create resumed>) = 5 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6112] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6111] sendfile(-1, -1, NULL, 553647746 [pid 6110] <... mmap resumed>) = 0x7f41a5370000 [pid 6109] <... mmap resumed>) = 0x7f41a5370000 [pid 6108] <... futex resumed>) = 0 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... openat resumed>) = 4 [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6110] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6109] <... write resumed>) = 262144 [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6112] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] munmap(0x7f41a5370000, 138412032 [pid 6108] <... futex resumed>) = 0 [pid 6107] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... munmap resumed>) = 0 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] memfd_create("syzkaller", 0 [pid 6110] <... write resumed>) = 262144 [pid 6109] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] <... memfd_create resumed>) = 5 [pid 6109] close(5 [pid 6108] <... futex resumed>) = 1 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6112] <... futex resumed>) = 0 [pid 6112] openat(AT_FDCWD, NULL, O_RDWR [pid 6111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6110] munmap(0x7f41a5370000, 138412032 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6112] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6111] <... mmap resumed>) = 0x7f41a5370000 [pid 6110] <... munmap resumed>) = 0 [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6108] <... futex resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6112] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6109] <... close resumed>) = 0 [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6110] close(5 [pid 6112] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6109] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 1 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = 0 [pid 6109] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] exit_group(0ci2-upstream-fs/strace-static-x86_64: Process 6113 attached [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6110] <... close resumed>) = 0 [pid 6109] <... futex resumed>) = ? [pid 6108] <... futex resumed>) = 0 [pid 6105] <... exit_group resumed>) = ? [pid 6112] sendfile(-1, -1, NULL, 553647746 [pid 6109] +++ exited with 0 +++ [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6113 [pid 6113] set_robust_list(0x5555683327a0, 24 [pid 6112] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... set_robust_list resumed>) = 0 [pid 6110] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6113] rt_sigprocmask(SIG_SETMASK, [] [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] exit_group(0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6111] <... write resumed>) = 262144 [pid 6105] +++ exited with 0 +++ [pid 6112] <... futex resumed>) = 1 [pid 6108] <... futex resumed>) = 0 [pid 6104] <... exit_group resumed>) = ? [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6112] memfd_create("syzkaller", 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] munmap(0x7f41a5370000, 138412032 [pid 6110] +++ exited with 0 +++ [pid 6108] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... memfd_create resumed>) = 5 [pid 6108] <... futex resumed>) = 0 [pid 6113] <... prctl resumed>) = 0 [pid 6112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6111] <... munmap resumed>) = 0 [pid 6108] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6104] +++ exited with 0 +++ [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6113] setpgid(0, 0 [pid 6112] <... mmap resumed>) = 0x7f41a5370000 [pid 6111] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6104, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6113] <... setpgid resumed>) = 0 [pid 6111] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] close(5 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5601] <... restart_syscall resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6113] <... openat resumed>) = 3 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6111] <... close resumed>) = 0 [pid 6113] write(3, "1000", 4 [pid 6112] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6113] <... write resumed>) = 4 [pid 6111] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6107] <... futex resumed>) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] exit_group(0ci2-upstream-fs/strace-static-x86_64: Process 6114 attached [pid 6111] <... futex resumed>) = ? [pid 6107] <... exit_group resumed>) = ? [pid 6114] set_robust_list(0x5555683327a0, 24 [pid 6113] close(3 [pid 6111] +++ exited with 0 +++ [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6114 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6113] <... close resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6113] write(1, "executing program\n", 18 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] <... write resumed>) = 18 executing program [pid 6114] rt_sigprocmask(SIG_SETMASK, [] [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] +++ exited with 0 +++ [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6114] setpgid(0, 0) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6113] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6114] write(3, "1000", 4ci2-upstream-fs/strace-static-x86_64: Process 6115 attached [pid 6113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6112] <... write resumed>) = 262144 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6115] set_robust_list(0x5555683327a0, 24 [pid 6114] <... write resumed>) = 4 [pid 6113] <... mmap resumed>) = 0x7f41ad770000 [pid 6112] munmap(0x7f41a5370000, 138412032 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6115 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6114] close(3 [pid 6113] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6112] <... munmap resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6115] rt_sigprocmask(SIG_SETMASK, [] [pid 6114] <... close resumed>) = 0 [pid 6112] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6114] write(1, "executing program\n", 18 [pid 6113] <... mprotect resumed>) = 0 [pid 6112] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6114] <... write resumed>) = 18 [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... prctl resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6115] setpgid(0, 0 [pid 6114] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6112] close(5 [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6115] <... setpgid resumed>) = 0 [pid 6114] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6112] <... close resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6117 attached ci2-upstream-fs/strace-static-x86_64: Process 6116 attached [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6117] set_robust_list(0x5555683327a0, 24 [pid 6115] <... openat resumed>) = 3 [pid 6114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6113] <... clone3 resumed> => {parent_tid=[6116]}, 88) = 6116 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6113] rt_sigprocmask(SIG_SETMASK, [] [pid 6117] rt_sigprocmask(SIG_SETMASK, [] [pid 6116] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6115] write(3, "1000", 4 [pid 6112] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6117 [pid 6117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6116] <... rseq resumed>) = 0 [pid 6115] <... write resumed>) = 4 [pid 6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6108] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] set_robust_list(0x7f41ad7909a0, 24 [pid 6115] close(3 [pid 6114] <... mmap resumed>) = 0x7f41ad770000 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] exit_group(0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6117] <... prctl resumed>) = 0 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] <... close resumed>) = 0 [pid 6114] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6113] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = ? [pid 6108] <... exit_group resumed>) = ? [pid 6117] setpgid(0, 0 [pid 6116] rt_sigprocmask(SIG_SETMASK, [] [pid 6115] write(1, "executing program\n", 18 [pid 6114] <... mprotect resumed>) = 0 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6112] +++ exited with 0 +++ [pid 6117] <... setpgid resumed>) = 0 [pid 6116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6115] <... write resumed>) = 18 executing program [pid 6114] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] memfd_create("syzkaller", 0 [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6108] +++ exited with 0 +++ [pid 6117] <... openat resumed>) = 3 [pid 6116] <... memfd_create resumed>) = 3 [pid 6115] <... futex resumed>) = 0 [pid 6116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6115] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6117] write(3, "1000", 4 [pid 6114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6117] <... write resumed>) = 4 [pid 6117] close(3 [pid 6116] <... mmap resumed>) = 0x7f41a5370000 [pid 6115] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6118 attached [pid 6117] <... close resumed>) = 0 [pid 6118] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6117] write(1, "executing program\n", 18 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6117] <... write resumed>) = 18 [pid 6118] <... rseq resumed>) = 0 [pid 6115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6118] set_robust_list(0x7f41ad7909a0, 24 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6118] <... set_robust_list resumed>) = 0 executing program [pid 6115] <... mmap resumed>) = 0x7f41ad770000 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] rt_sigprocmask(SIG_SETMASK, [] [pid 6115] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6117] <... futex resumed>) = 0 [pid 6114] <... clone3 resumed> => {parent_tid=[6118]}, 88) = 6118 [pid 6117] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6114] rt_sigprocmask(SIG_SETMASK, [] [pid 6118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6117] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6115] <... mprotect resumed>) = 0 [pid 6114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6115] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6118] <... futex resumed>) = 0 [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6115] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6114] <... futex resumed>) = 1 [pid 6118] memfd_create("syzkaller", 0 [pid 6115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6117] <... mmap resumed>) = 0x7f41ad770000 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6119 attached [pid 6118] <... memfd_create resumed>) = 3 [pid 6117] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6119] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6117] <... mprotect resumed>) = 0 [pid 6115] <... clone3 resumed> => {parent_tid=[6119]}, 88) = 6119 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6120 ci2-upstream-fs/strace-static-x86_64: Process 6120 attached [pid 6119] <... rseq resumed>) = 0 [pid 6118] <... mmap resumed>) = 0x7f41a5370000 [pid 6117] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6117] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6120] set_robust_list(0x5555683327a0, 24) = 0 [pid 6119] set_robust_list(0x7f41ad7909a0, 24 [pid 6117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6115] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6121 attached [pid 6120] rt_sigprocmask(SIG_SETMASK, [] [pid 6119] <... set_robust_list resumed>) = 0 [pid 6121] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6119] rt_sigprocmask(SIG_SETMASK, [] [pid 6115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6121] <... rseq resumed>) = 0 [pid 6119] memfd_create("syzkaller", 0 [pid 6117] <... clone3 resumed> => {parent_tid=[6121]}, 88) = 6121 [pid 6115] <... futex resumed>) = 0 [pid 6121] set_robust_list(0x7f41ad7909a0, 24 [pid 6120] <... prctl resumed>) = 0 [pid 6119] <... memfd_create resumed>) = 3 [pid 6118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6117] rt_sigprocmask(SIG_SETMASK, [] [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] setpgid(0, 0 [pid 6119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6120] <... setpgid resumed>) = 0 [pid 6117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6121] rt_sigprocmask(SIG_SETMASK, [] [pid 6119] <... mmap resumed>) = 0x7f41a5370000 [pid 6121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... write resumed>) = 1048576 [pid 6117] <... futex resumed>) = 0 [pid 6121] memfd_create("syzkaller", 0 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6121] <... memfd_create resumed>) = 3 [pid 6121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6120] <... openat resumed>) = 3 [pid 6116] munmap(0x7f41a5370000, 138412032 [pid 6121] <... mmap resumed>) = 0x7f41a5370000 [pid 6120] write(3, "1000", 4) = 4 [pid 6121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6120] close(3 [pid 6118] <... write resumed>) = 1048576 [pid 6116] <... munmap resumed>) = 0 [pid 6120] <... close resumed>) = 0 [pid 6116] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6120] write(1, "executing program\n", 18) = 18 executing program [pid 6118] munmap(0x7f41a5370000, 138412032 [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... munmap resumed>) = 0 [pid 6116] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6120] <... futex resumed>) = 0 [pid 6118] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6121] <... write resumed>) = 1048576 [pid 6120] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6116] close(3 [pid 6120] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6121] munmap(0x7f41a5370000, 138412032 [pid 6118] close(3 [pid 6121] <... munmap resumed>) = 0 [pid 6120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6119] <... write resumed>) = 1048576 [pid 6121] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6119] munmap(0x7f41a5370000, 138412032 [pid 6120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6120] <... mmap resumed>) = 0x7f41ad770000 [pid 6119] <... munmap resumed>) = 0 [pid 6121] close(3 [pid 6120] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6119] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6120] <... mprotect resumed>) = 0 [pid 6119] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6120] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6119] close(3 [pid 6120] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6116] <... close resumed>) = 0 [pid 6120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6121] <... close resumed>) = 0 [pid 6119] <... close resumed>) = 0 [pid 6118] <... close resumed>) = 0 [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6122 attached [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6122] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6121] <... futex resumed>) = 1 [pid 6120] <... clone3 resumed> => {parent_tid=[6122]}, 88) = 6122 [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6122] <... rseq resumed>) = 0 [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] rt_sigprocmask(SIG_SETMASK, [] [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6116] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6122] set_robust_list(0x7f41ad7909a0, 24 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] <... futex resumed>) = 0 [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6119] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6118] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... futex resumed>) = 0 [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] rt_sigprocmask(SIG_SETMASK, [] [pid 6121] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6118] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6116] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] memfd_create("syzkaller", 0 [pid 6121] <... futex resumed>) = 1 [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6122] <... memfd_create resumed>) = 3 [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 6116] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6114] <... futex resumed>) = 0 [pid 6122] <... mmap resumed>) = 0x7f41a5370000 [pid 6121] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6119] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6118] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6118] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] <... futex resumed>) = 1 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6121] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6116] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6116] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6119] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = 1 [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... futex resumed>) = 0 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] <... futex resumed>) = 1 [pid 6121] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... futex resumed>) = 1 [pid 6116] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6115] <... futex resumed>) = 0 [pid 6119] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6118] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = 1 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6116] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] <... futex resumed>) = 0 [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6121] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6119] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6121] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6116] mkdirat(AT_FDCWD, NULL, 0777 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... write resumed>) = 1048576 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6118] <... futex resumed>) = 0 [pid 6116] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... futex resumed>) = 1 [pid 6122] munmap(0x7f41a5370000, 138412032 [pid 6121] <... futex resumed>) = 1 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6117] <... futex resumed>) = 0 [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... munmap resumed>) = 0 [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] <... futex resumed>) = 0 [pid 6118] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 1 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] mkdirat(AT_FDCWD, NULL, 0777 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = 0 [pid 6116] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6121] mkdirat(AT_FDCWD, NULL, 0777 [pid 6119] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6118] <... futex resumed>) = 1 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... futex resumed>) = 0 [pid 6122] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6121] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6122] close(3 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... futex resumed>) = 0 [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] <... openat resumed>) = 4 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6119] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6118] mkdirat(AT_FDCWD, NULL, 0777 [pid 6116] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... openat resumed>) = 4 [pid 6119] <... openat resumed>) = 4 [pid 6118] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6117] <... futex resumed>) = 0 [pid 6116] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6113] <... futex resumed>) = 0 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] <... close resumed>) = 0 [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... futex resumed>) = 0 [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 0 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6117] <... futex resumed>) = 0 [pid 6116] openat(AT_FDCWD, NULL, O_RDWR [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6119] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6118] <... openat resumed>) = 4 [pid 6116] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... futex resumed>) = 1 [pid 6121] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6120] <... futex resumed>) = 0 [pid 6119] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 1 [pid 6120] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6118] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6117] <... futex resumed>) = 0 [pid 6116] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] openat(AT_FDCWD, NULL, O_RDWR [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] openat(AT_FDCWD, NULL, O_RDWR [pid 6118] <... futex resumed>) = 0 [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6121] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6118] openat(AT_FDCWD, NULL, O_RDWR [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = 0 [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... futex resumed>) = 0 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6121] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... futex resumed>) = 1 [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6122] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6121] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] <... futex resumed>) = 0 [pid 6116] sendfile(-1, -1, NULL, 553647746 [pid 6115] <... futex resumed>) = 0 [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6119] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6118] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = 0 [pid 6116] memfd_create("syzkaller", 0 [pid 6115] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... futex resumed>) = 1 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 0 [pid 6122] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] sendfile(-1, -1, NULL, 553647746 [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... futex resumed>) = 0 [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... memfd_create resumed>) = 5 [pid 6113] <... futex resumed>) = 0 [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] sendfile(-1, -1, NULL, 553647746 [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6122] <... futex resumed>) = 1 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 6119] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] sendfile(-1, -1, NULL, 553647746 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... futex resumed>) = 1 [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... futex resumed>) = 0 [pid 6116] <... mmap resumed>) = 0x7f41a5370000 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6117] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6122] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] memfd_create("syzkaller", 0 [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6114] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6121] memfd_create("syzkaller", 0 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... memfd_create resumed>) = 5 [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6114] <... futex resumed>) = 0 [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... memfd_create resumed>) = 5 [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6118] memfd_create("syzkaller", 0 [pid 6114] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6120] <... futex resumed>) = 0 [pid 6116] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6118] <... memfd_create resumed>) = 5 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... mmap resumed>) = 0x7f41a5370000 [pid 6122] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6121] <... mmap resumed>) = 0x7f41a5370000 [pid 6118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6122] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6119] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6118] <... mmap resumed>) = 0x7f41a5370000 [pid 6116] <... write resumed>) = 262144 [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6121] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6120] <... futex resumed>) = 0 [pid 6119] <... write resumed>) = 262144 [pid 6118] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6116] munmap(0x7f41a5370000, 138412032 [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] munmap(0x7f41a5370000, 138412032 [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... munmap resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 1 [pid 6119] <... munmap resumed>) = 0 [pid 6122] mkdirat(AT_FDCWD, NULL, 0777) = -1 EFAULT (Bad address) [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6119] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6122] <... futex resumed>) = 0 [pid 6119] close(5 [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... write resumed>) = 262144 [pid 6118] <... write resumed>) = 262144 [pid 6116] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6121] munmap(0x7f41a5370000, 138412032 [pid 6116] close(5 [pid 6118] munmap(0x7f41a5370000, 138412032 [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 1 [pid 6122] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... openat resumed>) = 4 [pid 6118] <... munmap resumed>) = 0 [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... close resumed>) = 0 [pid 6122] <... futex resumed>) = 1 [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... munmap resumed>) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6119] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6121] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... close resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... futex resumed>) = 1 [pid 6118] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6122] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6121] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6120] <... futex resumed>) = 0 [pid 6119] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] close(5 [pid 6116] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] exit_group(0 [pid 6122] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6121] close(5 [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... futex resumed>) = ? [pid 6116] <... futex resumed>) = 1 [pid 6115] <... exit_group resumed>) = ? [pid 6113] <... futex resumed>) = 0 [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... close resumed>) = 0 [pid 6119] +++ exited with 0 +++ [pid 6118] <... close resumed>) = 0 [pid 6116] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] exit_group(0 [pid 6122] <... futex resumed>) = 1 [pid 6121] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 6118] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = ? [pid 6115] +++ exited with 0 +++ [pid 6113] <... exit_group resumed>) = ? [pid 6121] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6116] +++ exited with 0 +++ [pid 6114] <... futex resumed>) = 0 [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] exit_group(0 [pid 6114] exit_group(0 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = ? [pid 6120] <... futex resumed>) = 0 [pid 6117] <... exit_group resumed>) = ? [pid 6114] <... exit_group resumed>) = ? [pid 6118] <... futex resumed>) = ? [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6122] openat(AT_FDCWD, NULL, O_RDWR [pid 6121] +++ exited with 0 +++ [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] +++ exited with 0 +++ [pid 6122] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6118] +++ exited with 0 +++ [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6122] <... futex resumed>) = 1 [pid 6120] <... futex resumed>) = 0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] <... futex resumed>) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6122] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6117] +++ exited with 0 +++ [pid 6114] +++ exited with 0 +++ [pid 5601] <... restart_syscall resumed>) = 0 [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6122] <... futex resumed>) = 1 [pid 6120] <... futex resumed>) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... restart_syscall resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] <... futex resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6122] sendfile(-1, -1, NULL, 553647746 [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6123 attached [pid 6122] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] set_robust_list(0x5555683327a0, 24 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6123] <... set_robust_list resumed>) = 0 [pid 6123] rt_sigprocmask(SIG_SETMASK, [] [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6123] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6122] <... futex resumed>) = 1 [pid 6120] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6123 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6123] <... prctl resumed>) = 0 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6124 attached ci2-upstream-fs/strace-static-x86_64: Process 6125 attached [pid 6123] setpgid(0, 0 [pid 6122] memfd_create("syzkaller", 0 [pid 6120] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6125] set_robust_list(0x5555683327a0, 24 [pid 6124] set_robust_list(0x5555683327a0, 24 [pid 6123] <... setpgid resumed>) = 0 [pid 6122] <... memfd_create resumed>) = 5 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6125 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6124 [pid 6123] <... openat resumed>) = 3 [pid 6122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6125] rt_sigprocmask(SIG_SETMASK, [] [pid 6124] rt_sigprocmask(SIG_SETMASK, [] [pid 6123] write(3, "1000", 4 [pid 6122] <... mmap resumed>) = 0x7f41a5370000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6123] <... write resumed>) = 4 [pid 6122] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6123] close(3 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6125] <... prctl resumed>) = 0 [pid 6124] <... prctl resumed>) = 0 [pid 6125] setpgid(0, 0 [pid 6124] setpgid(0, 0 [pid 6123] <... close resumed>) = 0 [pid 6125] <... setpgid resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6126 attached [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] <... setpgid resumed>) = 0 [pid 6123] write(1, "executing program\n", 18) = 18 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6126 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] set_robust_list(0x5555683327a0, 24 [pid 6123] <... futex resumed>) = 0 executing program [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... openat resumed>) = 3 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6123] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6122] <... write resumed>) = 262144 [pid 6125] write(3, "1000", 4 [pid 6124] <... openat resumed>) = 3 [pid 6123] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6126] rt_sigprocmask(SIG_SETMASK, [] [pid 6125] <... write resumed>) = 4 [pid 6124] write(3, "1000", 4 [pid 6123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6125] close(3 [pid 6124] <... write resumed>) = 4 [pid 6123] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6122] munmap(0x7f41a5370000, 138412032 [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6125] <... close resumed>) = 0 [pid 6124] close(3 [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6122] <... munmap resumed>) = 0 [pid 6126] <... prctl resumed>) = 0 [pid 6125] write(1, "executing program\n", 18 [pid 6124] <... close resumed>) = 0 [pid 6123] <... mmap resumed>) = 0x7f41ad770000 [pid 6125] <... write resumed>) = 18 [pid 6124] write(1, "executing program\n", 18 executing program executing program [pid 6123] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6126] setpgid(0, 0 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... write resumed>) = 18 [pid 6123] <... mprotect resumed>) = 0 [pid 6122] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6126] <... setpgid resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6122] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6125] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6124] <... futex resumed>) = 0 [pid 6123] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6126] <... openat resumed>) = 3 [pid 6125] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6124] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6122] close(5 [pid 6125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6124] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6127 attached [pid 6125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6127] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6126] write(3, "1000", 4 [pid 6125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6123] <... clone3 resumed> => {parent_tid=[6127]}, 88) = 6127 [pid 6127] <... rseq resumed>) = 0 [pid 6126] <... write resumed>) = 4 [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6122] <... close resumed>) = 0 [pid 6127] set_robust_list(0x7f41ad7909a0, 24 [pid 6126] close(3 [pid 6125] <... mmap resumed>) = 0x7f41ad770000 [pid 6123] rt_sigprocmask(SIG_SETMASK, [] [pid 6124] <... mmap resumed>) = 0x7f41ad770000 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] <... close resumed>) = 0 [pid 6123] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6122] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6124] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6126] write(1, "executing program\n", 18 [pid 6125] <... mprotect resumed>) = 0 [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 1 [pid 6120] <... futex resumed>) = 0 executing program [pid 6127] rt_sigprocmask(SIG_SETMASK, [] [pid 6126] <... write resumed>) = 18 [pid 6125] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6124] <... mprotect resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6122] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] exit_group(0 [pid 6127] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = ? [pid 6120] <... exit_group resumed>) = ? [pid 6127] memfd_create("syzkaller", 0 [pid 6126] <... futex resumed>) = 0 [pid 6125] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6124] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6122] +++ exited with 0 +++ [pid 6125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6126] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-upstream-fs/strace-static-x86_64: Process 6128 attached [pid 6127] <... memfd_create resumed>) = 3 [pid 6126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6125] <... clone3 resumed> => {parent_tid=[6128]}, 88) = 6128 [pid 6124] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6120] +++ exited with 0 +++ [pid 6128] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6125] rt_sigprocmask(SIG_SETMASK, [] [pid 6124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6128] <... rseq resumed>) = 0 [pid 6126] <... mmap resumed>) = 0x7f41ad770000 [pid 6127] <... mmap resumed>) = 0x7f41a5370000 [pid 6125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6126] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6129 attached [pid 6128] set_robust_list(0x7f41ad7909a0, 24 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6129] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6126] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... rseq resumed>) = 0 [pid 6128] rt_sigprocmask(SIG_SETMASK, [] [pid 6126] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6124] <... clone3 resumed> => {parent_tid=[6129]}, 88) = 6129 [pid 6129] set_robust_list(0x7f41ad7909a0, 24 [pid 6126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6128] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6124] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6130 attached [pid 6129] rt_sigprocmask(SIG_SETMASK, [] [pid 6128] memfd_create("syzkaller", 0 [pid 6127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6126] <... clone3 resumed> => {parent_tid=[6130]}, 88) = 6130 [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6130] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6128] <... memfd_create resumed>) = 3 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6130] <... rseq resumed>) = 0 [pid 6129] memfd_create("syzkaller", 0 [pid 6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6126] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6130] set_robust_list(0x7f41ad7909a0, 24 [pid 6129] <... memfd_create resumed>) = 3 [pid 6128] <... mmap resumed>) = 0x7f41a5370000 [pid 6126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] rt_sigprocmask(SIG_SETMASK, [] [pid 6129] <... mmap resumed>) = 0x7f41a5370000 [pid 6126] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6130] memfd_create("syzkaller", 0 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6131 attached [pid 6131] set_robust_list(0x5555683327a0, 24 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6131 [pid 6130] <... memfd_create resumed>) = 3 [pid 6128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6131] rt_sigprocmask(SIG_SETMASK, [] [pid 6130] <... mmap resumed>) = 0x7f41a5370000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6131] setpgid(0, 0 [pid 6128] <... write resumed>) = 1048576 [pid 6131] <... setpgid resumed>) = 0 [pid 6128] munmap(0x7f41a5370000, 138412032 [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] <... munmap resumed>) = 0 [pid 6131] <... openat resumed>) = 3 [pid 6128] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6131] write(3, "1000", 4) = 4 [pid 6128] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6131] close(3 [pid 6128] close(3 [pid 6131] <... close resumed>) = 0 [pid 6129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6131] write(1, "executing program\n", 18) = 18 executing program [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6127] <... write resumed>) = 1048576 [pid 6131] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6127] munmap(0x7f41a5370000, 138412032 [pid 6131] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6128] <... close resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... munmap resumed>) = 0 [pid 6131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6127] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6131] <... mmap resumed>) = 0x7f41ad770000 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6131] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6128] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6127] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6131] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(3 [pid 6131] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6128] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6125] <... futex resumed>) = 0 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6132 attached [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6125] <... futex resumed>) = 0 [pid 6131] <... clone3 resumed> => {parent_tid=[6132]}, 88) = 6132 [pid 6132] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6128] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] rt_sigprocmask(SIG_SETMASK, [] [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... rseq resumed>) = 0 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6132] set_robust_list(0x7f41ad7909a0, 24 [pid 6128] <... futex resumed>) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... write resumed>) = 1048576 [pid 6128] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] rt_sigprocmask(SIG_SETMASK, [] [pid 6131] <... futex resumed>) = 0 [pid 6128] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = 0 [pid 6132] memfd_create("syzkaller", 0 [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6128] <... futex resumed>) = 0 [pid 6127] <... close resumed>) = 0 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... memfd_create resumed>) = 3 [pid 6130] <... write resumed>) = 1048576 [pid 6129] munmap(0x7f41a5370000, 138412032 [pid 6128] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6129] <... munmap resumed>) = 0 [pid 6127] <... futex resumed>) = 1 [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = 0 [pid 6130] munmap(0x7f41a5370000, 138412032 [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] <... mmap resumed>) = 0x7f41a5370000 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = 0 [pid 6125] <... futex resumed>) = 1 [pid 6130] <... munmap resumed>) = 0 [pid 6129] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6128] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6127] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6123] <... futex resumed>) = 0 [pid 6129] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6127] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6130] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6129] close(3 [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] close(3 [pid 6127] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] <... futex resumed>) = 0 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... futex resumed>) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6128] mkdirat(AT_FDCWD, NULL, 0777 [pid 6127] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6127] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 1 [pid 6128] <... futex resumed>) = 1 [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6128] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... futex resumed>) = 0 [pid 6128] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6125] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 1 [pid 6127] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6128] <... openat resumed>) = 4 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] <... close resumed>) = 0 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6127] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... futex resumed>) = 0 [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] <... futex resumed>) = 0 [pid 6130] <... close resumed>) = 0 [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = 1 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6127] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6126] <... futex resumed>) = 0 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6128] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 0 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] <... futex resumed>) = 0 [pid 6130] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6129] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6128] <... futex resumed>) = 0 [pid 6127] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] openat(AT_FDCWD, NULL, O_RDWR [pid 6127] mkdirat(AT_FDCWD, NULL, 0777 [pid 6126] <... futex resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6128] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 0 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] <... futex resumed>) = 1 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6129] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6128] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6129] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6128] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... futex resumed>) = 0 [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 1 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] <... futex resumed>) = 0 [pid 6127] <... openat resumed>) = 4 [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6128] sendfile(-1, -1, NULL, 553647746 [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 0 [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 0 [pid 6130] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6129] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6128] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... futex resumed>) = 1 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... futex resumed>) = 0 [pid 6132] <... write resumed>) = 1048576 [pid 6130] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] munmap(0x7f41a5370000, 138412032 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 1 [pid 6128] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6126] <... futex resumed>) = 0 [pid 6125] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 0 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... munmap resumed>) = 0 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 0 [pid 6128] memfd_create("syzkaller", 0 [pid 6124] <... futex resumed>) = 0 [pid 6125] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6132] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6130] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6129] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6128] <... memfd_create resumed>) = 5 [pid 6127] <... futex resumed>) = 1 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... futex resumed>) = 0 [pid 6132] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6130] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 1 [pid 6127] openat(AT_FDCWD, NULL, O_RDWR [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6132] close(3 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] <... mmap resumed>) = 0x7f41a5370000 [pid 6127] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6129] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6127] <... futex resumed>) = 0 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6123] <... futex resumed>) = 0 [pid 6128] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6130] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6129] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 1 [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] sendfile(-1, -1, NULL, 553647746 [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] mkdirat(AT_FDCWD, NULL, 0777 [pid 6129] mkdirat(AT_FDCWD, NULL, 0777 [pid 6127] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6129] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 1 [pid 6128] <... write resumed>) = 262144 [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] memfd_create("syzkaller", 0 [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6130] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6129] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6127] <... memfd_create resumed>) = 5 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... openat resumed>) = 4 [pid 6129] <... openat resumed>) = 4 [pid 6128] munmap(0x7f41a5370000, 138412032 [pid 6127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... mmap resumed>) = 0x7f41a5370000 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6132] <... close resumed>) = 0 [pid 6128] <... munmap resumed>) = 0 [pid 6127] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6124] <... futex resumed>) = 0 [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6128] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6132] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6131] <... futex resumed>) = 0 [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6127] <... write resumed>) = 262144 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] close(5 [pid 6132] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... futex resumed>) = 0 [pid 6129] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] munmap(0x7f41a5370000, 138412032 [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 1 [pid 6127] <... munmap resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] openat(AT_FDCWD, NULL, O_RDWR [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6131] <... futex resumed>) = 0 [pid 6130] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] <... futex resumed>) = 0 [pid 6132] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] openat(AT_FDCWD, NULL, O_RDWR [pid 6127] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 0 [pid 6129] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6127] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(5 [pid 6126] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6130] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6129] <... futex resumed>) = 1 [pid 6128] <... close resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6132] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... futex resumed>) = 0 [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6128] <... futex resumed>) = 1 [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] <... futex resumed>) = 0 [pid 6129] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6128] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] <... close resumed>) = 0 [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] exit_group(0 [pid 6124] <... futex resumed>) = 0 [pid 6132] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = ? [pid 6127] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... exit_group resumed>) = ? [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] sendfile(-1, -1, NULL, 553647746 [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] exit_group(0 [pid 6132] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6130] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... futex resumed>) = ? [pid 6124] <... futex resumed>) = 0 [pid 6123] <... exit_group resumed>) = ? [pid 6132] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] sendfile(-1, -1, NULL, 553647746 [pid 6127] +++ exited with 0 +++ [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] +++ exited with 0 +++ [pid 6126] <... futex resumed>) = 0 [pid 6125] +++ exited with 0 +++ [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] +++ exited with 0 +++ [pid 6132] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6125, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6131] <... futex resumed>) = 0 [pid 6130] memfd_create("syzkaller", 0 [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6124] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6132] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... memfd_create resumed>) = 5 [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] <... futex resumed>) = 0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5602] <... restart_syscall resumed>) = 0 [pid 6130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6129] memfd_create("syzkaller", 0 [pid 6124] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6130] <... mmap resumed>) = 0x7f41a5370000 [pid 6129] <... memfd_create resumed>) = 5 [pid 6129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 5603] <... restart_syscall resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6132] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6129] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6132] mkdirat(AT_FDCWD, NULL, 0777 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6131] <... futex resumed>) = 0 [pid 6132] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6132] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6133 attached [pid 6132] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6130] <... write resumed>) = 262144 [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] munmap(0x7f41a5370000, 138412032 [pid 6129] <... write resumed>) = 262144 [pid 6132] <... openat resumed>) = 4 ci2-upstream-fs/strace-static-x86_64: Process 6134 attached [pid 6133] set_robust_list(0x5555683327a0, 24 [pid 6130] <... munmap resumed>) = 0 [pid 6129] munmap(0x7f41a5370000, 138412032 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6134 [pid 6134] set_robust_list(0x5555683327a0, 24 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6129] <... munmap resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6134] <... set_robust_list resumed>) = 0 [pid 6133] rt_sigprocmask(SIG_SETMASK, [] [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6130] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6133 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6132] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6132] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... futex resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [] [pid 6130] close(5 [pid 6129] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... prctl resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6133] setpgid(0, 0 [pid 6132] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6134] <... prctl resumed>) = 0 [pid 6130] <... close resumed>) = 0 [pid 6129] close(5 [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] setpgid(0, 0 [pid 6133] <... setpgid resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6132] openat(AT_FDCWD, NULL, O_RDWR [pid 6134] <... setpgid resumed>) = 0 [pid 6132] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... openat resumed>) = 3 [pid 6133] <... openat resumed>) = 3 [pid 6132] <... futex resumed>) = 0 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6134] write(3, "1000", 4 [pid 6133] write(3, "1000", 4 [pid 6132] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6131] <... futex resumed>) = 0 [pid 6130] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] exit_group(0 [pid 6134] <... write resumed>) = 4 [pid 6133] <... write resumed>) = 4 [pid 6132] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... exit_group resumed>) = ? [pid 6134] close(3 [pid 6133] close(3 [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] <... futex resumed>) = ? [pid 6134] <... close resumed>) = 0 [pid 6133] <... close resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... close resumed>) = 0 executing program [pid 6134] write(1, "executing program\n", 18 [pid 6133] write(1, "executing program\n", 18 [pid 6132] sendfile(-1, -1, NULL, 553647746 [pid 6131] <... futex resumed>) = 0 executing program [pid 6134] <... write resumed>) = 18 [pid 6133] <... write resumed>) = 18 [pid 6132] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] +++ exited with 0 +++ [pid 6129] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] +++ exited with 0 +++ [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 6131] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] exit_group(0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6134] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6132] memfd_create("syzkaller", 0 [pid 6131] <... futex resumed>) = 0 [pid 6133] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6131] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6134] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6133] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6132] <... memfd_create resumed>) = 5 [pid 6129] <... futex resumed>) = ? [pid 6124] <... exit_group resumed>) = ? [pid 6134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6129] +++ exited with 0 +++ [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6132] <... mmap resumed>) = 0x7f41a5370000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6133] <... mmap resumed>) = 0x7f41ad770000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6133] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6124] +++ exited with 0 +++ [pid 6132] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6134] <... mmap resumed>) = 0x7f41ad770000 [pid 6133] <... mprotect resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6132] <... write resumed>) = 262144 [pid 6134] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6134] <... mprotect resumed>) = 0 [pid 6132] munmap(0x7f41a5370000, 138412032 [pid 6134] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6133] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6132] <... munmap resumed>) = 0 [pid 6134] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6135 attached [pid 6134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6132] openat(AT_FDCWD, "/dev/loop3", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6137 attached ci2-upstream-fs/strace-static-x86_64: Process 6136 attached [pid 6135] set_robust_list(0x5555683327a0, 24 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6135 [pid 6135] <... set_robust_list resumed>) = 0 [pid 6133] <... clone3 resumed> => {parent_tid=[6136]}, 88) = 6136 [pid 6137] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6136] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6135] rt_sigprocmask(SIG_SETMASK, [] [pid 6134] <... clone3 resumed> => {parent_tid=[6137]}, 88) = 6137 [pid 6133] rt_sigprocmask(SIG_SETMASK, [] [pid 6132] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6137] <... rseq resumed>) = 0 [pid 6136] <... rseq resumed>) = 0 [pid 6135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [] [pid 6133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6137] set_robust_list(0x7f41ad7909a0, 24 [pid 6136] set_robust_list(0x7f41ad7909a0, 24 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] close(5 [pid 6137] <... set_robust_list resumed>) = 0 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] <... prctl resumed>) = 0 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = 0 [pid 6132] <... close resumed>) = 0 [pid 6137] rt_sigprocmask(SIG_SETMASK, [] [pid 6136] rt_sigprocmask(SIG_SETMASK, [] [pid 6135] setpgid(0, 0 [pid 6134] <... futex resumed>) = 0 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6137] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6135] <... setpgid resumed>) = 0 [pid 6137] memfd_create("syzkaller", 0 [pid 6136] memfd_create("syzkaller", 0 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] <... memfd_create resumed>) = 3 [pid 6136] <... memfd_create resumed>) = 3 [pid 6135] <... openat resumed>) = 3 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6132] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6132] <... futex resumed>) = 1 [pid 6137] <... mmap resumed>) = 0x7f41a5370000 [pid 6136] <... mmap resumed>) = 0x7f41a5370000 [pid 6135] write(3, "1000", 4 [pid 6132] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] <... futex resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6135] <... write resumed>) = 4 [pid 6131] exit_group(0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6135] close(3 [pid 6131] <... exit_group resumed>) = ? [pid 6135] <... close resumed>) = 0 [pid 6132] <... futex resumed>) = ? [pid 6135] write(1, "executing program\n", 18 executing program [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6135] <... write resumed>) = 18 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6135] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6132] +++ exited with 0 +++ [pid 6131] +++ exited with 0 +++ [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6138 [pid 5601] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6138 attached [pid 6137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6136] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6135] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6138] set_robust_list(0x5555683327a0, 24 [pid 6135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6138] rt_sigprocmask(SIG_SETMASK, [] [pid 6135] <... mmap resumed>) = 0x7f41ad770000 [pid 6135] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] <... mprotect resumed>) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6138] <... prctl resumed>) = 0 [pid 6138] setpgid(0, 0 [pid 6135] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6138] <... setpgid resumed>) = 0 [pid 6135] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6139 attached [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6140 attached [pid 6138] <... openat resumed>) = 3 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6139 [pid 6139] set_robust_list(0x5555683327a0, 24 [pid 6138] write(3, "1000", 4 [pid 6135] <... clone3 resumed> => {parent_tid=[6140]}, 88) = 6140 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6139] <... set_robust_list resumed>) = 0 [pid 6138] <... write resumed>) = 4 [pid 6135] rt_sigprocmask(SIG_SETMASK, [] [pid 6139] rt_sigprocmask(SIG_SETMASK, [] [pid 6138] close(3 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6140] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6138] <... close resumed>) = 0 [pid 6135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6138] write(1, "executing program\n", 18 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... rseq resumed>) = 0 executing program [pid 6138] <... write resumed>) = 18 [pid 6135] <... futex resumed>) = 0 [pid 6140] set_robust_list(0x7f41ad7909a0, 24 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6140] <... set_robust_list resumed>) = 0 [pid 6139] <... prctl resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6139] setpgid(0, 0 [pid 6138] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6140] rt_sigprocmask(SIG_SETMASK, [] [pid 6139] <... setpgid resumed>) = 0 [pid 6137] <... write resumed>) = 1048576 [pid 6140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6140] memfd_create("syzkaller", 0 [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6140] <... memfd_create resumed>) = 3 [pid 6139] <... openat resumed>) = 3 [pid 6138] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6137] munmap(0x7f41a5370000, 138412032 [pid 6140] <... mmap resumed>) = 0x7f41a5370000 [pid 6139] write(3, "1000", 4 [pid 6138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6137] <... munmap resumed>) = 0 [pid 6139] <... write resumed>) = 4 [pid 6138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6136] <... write resumed>) = 1048576 [pid 6139] close(3 [pid 6138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6137] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6136] munmap(0x7f41a5370000, 138412032 [pid 6138] <... mmap resumed>) = 0x7f41ad770000 [pid 6140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6139] <... close resumed>) = 0 [pid 6137] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6136] <... munmap resumed>) = 0 [pid 6139] write(1, "executing program\n", 18 [pid 6138] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6139] <... write resumed>) = 18 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6137] close(3 [pid 6138] <... mprotect resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6139] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6138] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6136] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6138] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6136] close(3 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6141 attached [pid 6139] <... mmap resumed>) = 0x7f41ad770000 [pid 6141] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6139] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6138] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141 [pid 6141] <... rseq resumed>) = 0 [pid 6139] <... mprotect resumed>) = 0 [pid 6138] rt_sigprocmask(SIG_SETMASK, [] [pid 6141] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6139] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6141] rt_sigprocmask(SIG_SETMASK, [] [pid 6139] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6138] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6142 attached [pid 6141] memfd_create("syzkaller", 0 [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6142] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6139] <... clone3 resumed> => {parent_tid=[6142]}, 88) = 6142 [pid 6141] <... memfd_create resumed>) = 3 [pid 6137] <... close resumed>) = 0 [pid 6142] <... rseq resumed>) = 0 [pid 6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6139] rt_sigprocmask(SIG_SETMASK, [] [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... close resumed>) = 0 [pid 6142] set_robust_list(0x7f41ad7909a0, 24 [pid 6141] <... mmap resumed>) = 0x7f41a5370000 [pid 6139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 6142] rt_sigprocmask(SIG_SETMASK, [] [pid 6140] <... write resumed>) = 1048576 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 0 [pid 6142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6140] munmap(0x7f41a5370000, 138412032 [pid 6139] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = 1 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = 0 [pid 6142] memfd_create("syzkaller", 0 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... memfd_create resumed>) = 3 [pid 6140] <... munmap resumed>) = 0 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6137] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = 1 [pid 6142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6137] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6136] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... mmap resumed>) = 0x7f41a5370000 [pid 6140] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6137] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6136] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 0 [pid 6140] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... futex resumed>) = 1 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] close(3 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 0 [pid 6137] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 6136] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 6137] <... futex resumed>) = 1 [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 0 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6136] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... futex resumed>) = 0 [pid 6136] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... futex resumed>) = 0 [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... futex resumed>) = 0 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... futex resumed>) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6136] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6136] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... futex resumed>) = 0 [pid 6142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... write resumed>) = 1048576 [pid 6140] <... close resumed>) = 0 [pid 6136] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] munmap(0x7f41a5370000, 138412032 [pid 6137] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6141] <... munmap resumed>) = 0 [pid 6140] <... futex resumed>) = 1 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6141] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] <... futex resumed>) = 1 [pid 6136] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 0 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] mkdirat(AT_FDCWD, NULL, 0777 [pid 6136] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6135] <... futex resumed>) = 0 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] close(3 [pid 6140] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6137] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... futex resumed>) = 0 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 1 [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... futex resumed>) = 0 [pid 6140] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6137] <... futex resumed>) = 1 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 0 [pid 6140] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6137] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... openat resumed>) = 4 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6141] <... close resumed>) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 0 [pid 6142] <... write resumed>) = 1048576 [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6136] mkdirat(AT_FDCWD, NULL, 0777 [pid 6135] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] munmap(0x7f41a5370000, 138412032 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... futex resumed>) = 0 [pid 6137] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6136] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... munmap resumed>) = 0 [pid 6141] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6141] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6140] <... futex resumed>) = 1 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 0 [pid 6142] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] <... futex resumed>) = 0 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] close(3 [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] <... futex resumed>) = 0 [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = 0 [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... futex resumed>) = 0 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... futex resumed>) = 0 [pid 6137] openat(AT_FDCWD, NULL, O_RDWR [pid 6136] <... openat resumed>) = 4 [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6140] <... futex resumed>) = 1 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6142] <... close resumed>) = 0 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] <... futex resumed>) = 1 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = 0 [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] <... futex resumed>) = 0 [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = 0 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... futex resumed>) = 0 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... futex resumed>) = 1 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6136] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6141] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6140] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6141] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = 0 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 1 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... futex resumed>) = 1 [pid 6136] openat(AT_FDCWD, NULL, O_RDWR [pid 6135] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] <... futex resumed>) = 0 [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] mkdirat(AT_FDCWD, NULL, 0777 [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] sendfile(-1, -1, NULL, 553647746 [pid 6136] <... futex resumed>) = 0 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6141] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6140] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6133] <... futex resumed>) = 0 [pid 6142] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6141] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 1 [pid 6137] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6141] <... futex resumed>) = 1 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] memfd_create("syzkaller", 0 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6141] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... openat resumed>) = 4 [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... memfd_create resumed>) = 5 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... futex resumed>) = 0 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6136] sendfile(-1, -1, NULL, 553647746 [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... futex resumed>) = 1 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6137] <... mmap resumed>) = 0x7f41a5370000 [pid 6136] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... futex resumed>) = 0 [pid 6142] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6141] <... futex resumed>) = 1 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = 0 [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... futex resumed>) = 0 [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = 0 [pid 6141] mkdirat(AT_FDCWD, NULL, 0777 [pid 6140] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 0 [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6136] memfd_create("syzkaller", 0 [pid 6135] <... futex resumed>) = 0 [pid 6142] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6141] <... futex resumed>) = 1 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... futex resumed>) = 0 [pid 6137] <... write resumed>) = 262144 [pid 6136] <... memfd_create resumed>) = 5 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] openat(AT_FDCWD, NULL, O_RDWR [pid 6138] <... futex resumed>) = 0 [pid 6141] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6140] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] munmap(0x7f41a5370000, 138412032 [pid 6136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6141] <... openat resumed>) = 4 [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = 0 [pid 6137] <... munmap resumed>) = 0 [pid 6136] <... mmap resumed>) = 0x7f41a5370000 [pid 6135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] mkdirat(AT_FDCWD, NULL, 0777 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 0 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6136] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6141] <... futex resumed>) = 1 [pid 6140] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6135] <... futex resumed>) = 0 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] <... futex resumed>) = 0 [pid 6141] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6140] <... futex resumed>) = 0 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] close(5 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6140] sendfile(-1, -1, NULL, 553647746 [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... write resumed>) = 262144 [pid 6135] <... futex resumed>) = 0 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... close resumed>) = 0 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = 1 [pid 6138] <... futex resumed>) = 0 [pid 6136] munmap(0x7f41a5370000, 138412032 [pid 6135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... futex resumed>) = 0 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... openat resumed>) = 4 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] memfd_create("syzkaller", 0 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... futex resumed>) = 0 [pid 6137] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... munmap resumed>) = 0 [pid 6135] <... futex resumed>) = 0 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] openat(AT_FDCWD, NULL, O_RDWR [pid 6140] <... memfd_create resumed>) = 5 [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] <... futex resumed>) = 1 [pid 6135] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6134] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6141] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6139] <... futex resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6134] exit_group(0 [pid 6137] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... mmap resumed>) = 0x7f41a5370000 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6134] <... exit_group resumed>) = ? [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = 1 [pid 6140] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] +++ exited with 0 +++ [pid 6136] close(5 [pid 6142] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] <... futex resumed>) = 0 [pid 6134] +++ exited with 0 +++ [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6136] <... close resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6141] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6139] <... futex resumed>) = 0 [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6142] openat(AT_FDCWD, NULL, O_RDWR [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6142] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6141] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] sendfile(-1, -1, NULL, 553647746 [pid 6140] <... write resumed>) = 262144 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6141] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] munmap(0x7f41a5370000, 138412032 [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] exit_group(0 [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6138] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = ? [pid 6140] <... munmap resumed>) = 0 [pid 6133] <... exit_group resumed>) = ? [pid 6142] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6141] memfd_create("syzkaller", 0 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... futex resumed>) = 0 [pid 6142] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6141] <... memfd_create resumed>) = 5 [pid 6140] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6136] +++ exited with 0 +++ [pid 6138] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6142] <... futex resumed>) = 1 [pid 6141] <... mmap resumed>) = 0x7f41a5370000 [pid 6140] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] <... futex resumed>) = 0 [pid 6133] +++ exited with 0 +++ [pid 5602] <... restart_syscall resumed>) = 0 [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] close(5 [pid 6139] <... futex resumed>) = 0 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] sendfile(-1, -1, NULL, 553647746) = -1 EBADF (Bad file descriptor) [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6139] <... futex resumed>) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6139] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6142] memfd_create("syzkaller", 0 [pid 6140] <... close resumed>) = 0 [pid 6139] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6142] <... memfd_create resumed>) = 5 [pid 6141] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6140] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6142] <... mmap resumed>) = 0x7f41a5370000 [pid 6140] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6140] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6135] exit_group(0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6140] <... futex resumed>) = ? [pid 6135] <... exit_group resumed>) = ? [pid 6142] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144ci2-upstream-fs/strace-static-x86_64: Process 6143 attached [pid 6141] <... write resumed>) = 262144 [pid 6140] +++ exited with 0 +++ [pid 6135] +++ exited with 0 +++ [pid 5603] <... restart_syscall resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6135, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6143] set_robust_list(0x5555683327a0, 24 [pid 6141] munmap(0x7f41a5370000, 138412032 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6143 [pid 6143] <... set_robust_list resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6143] rt_sigprocmask(SIG_SETMASK, [] [pid 6142] <... write resumed>) = 262144 [pid 6141] <... munmap resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6144 attached [pid 6143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6142] munmap(0x7f41a5370000, 138412032 [pid 6141] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6142] <... munmap resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6141] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6144] set_robust_list(0x5555683327a0, 24 [pid 6143] setpgid(0, 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6144 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6144] <... set_robust_list resumed>) = 0 [pid 6143] <... setpgid resumed>) = 0 [pid 6142] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6141] close(5 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6144] rt_sigprocmask(SIG_SETMASK, [] [pid 6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] close(5 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6143] <... openat resumed>) = 3 ci2-upstream-fs/strace-static-x86_64: Process 6145 attached [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6143] write(3, "1000", 4 [pid 6141] <... close resumed>) = 0 [pid 6142] <... close resumed>) = 0 [pid 6145] set_robust_list(0x5555683327a0, 24 [pid 6144] <... prctl resumed>) = 0 [pid 6143] <... write resumed>) = 4 [pid 6141] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6144] setpgid(0, 0 [pid 6145] rt_sigprocmask(SIG_SETMASK, [] [pid 6144] <... setpgid resumed>) = 0 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] close(3 [pid 6142] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6138] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6145 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6144] <... openat resumed>) = 3 [pid 6143] <... close resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6141] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6138] exit_group(0 [pid 6145] <... prctl resumed>) = 0 [pid 6144] write(3, "1000", 4 [pid 6142] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] write(1, "executing program\n", 18 [pid 6145] setpgid(0, 0 [pid 6144] <... write resumed>) = 4 executing program [pid 6139] exit_group(0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6145] <... setpgid resumed>) = 0 [pid 6144] close(3 [pid 6143] <... write resumed>) = 18 [pid 6142] <... futex resumed>) = ? [pid 6141] <... futex resumed>) = ? [pid 6139] <... exit_group resumed>) = ? [pid 6138] <... exit_group resumed>) = ? [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] <... close resumed>) = 0 executing program [pid 6144] write(1, "executing program\n", 18 [pid 6145] <... openat resumed>) = 3 [pid 6144] <... write resumed>) = 18 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] +++ exited with 0 +++ [pid 6141] +++ exited with 0 +++ [pid 6139] +++ exited with 0 +++ [pid 6138] +++ exited with 0 +++ [pid 6145] write(3, "1000", 4 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6139, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6143] <... futex resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6138, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6145] <... write resumed>) = 4 [pid 6144] <... futex resumed>) = 0 [pid 6143] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6145] close(3 [pid 6144] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6143] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6145] <... close resumed>) = 0 [pid 6144] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6145] write(1, "executing program\n", 18 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6145] <... write resumed>) = 18 [pid 6144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6145] <... futex resumed>) = 0 [pid 6144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6145] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6144] <... mmap resumed>) = 0x7f41ad770000 [pid 6143] <... mmap resumed>) = 0x7f41ad770000 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6145] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6143] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6144] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6143] <... mprotect resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6146 attached [pid 6145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6144] <... mprotect resumed>) = 0 [pid 6143] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6146] set_robust_list(0x5555683327a0, 24 [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6144] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6146] <... set_robust_list resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6146 [pid 6146] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6145] <... mmap resumed>) = 0x7f41ad770000 [pid 6144] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6143] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6145] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6149 attached ci2-upstream-fs/strace-static-x86_64: Process 6148 attached ci2-upstream-fs/strace-static-x86_64: Process 6147 attached [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] <... mprotect resumed>) = 0 [pid 6149] set_robust_list(0x5555683327a0, 24) = 0 [pid 6147] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6146] <... prctl resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6144] <... clone3 resumed> => {parent_tid=[6148]}, 88) = 6148 [pid 6143] <... clone3 resumed> => {parent_tid=[6147]}, 88) = 6147 [pid 6148] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6149 [pid 6149] rt_sigprocmask(SIG_SETMASK, [] [pid 6148] <... rseq resumed>) = 0 [pid 6147] <... rseq resumed>) = 0 [pid 6146] setpgid(0, 0 [pid 6145] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6144] rt_sigprocmask(SIG_SETMASK, [] [pid 6143] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6148] set_robust_list(0x7f41ad7909a0, 24 [pid 6147] set_robust_list(0x7f41ad7909a0, 24 [pid 6146] <... setpgid resumed>) = 0 [pid 6145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] rt_sigprocmask(SIG_SETMASK, [] [pid 6147] rt_sigprocmask(SIG_SETMASK, [] [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6149] <... prctl resumed>) = 0 [pid 6148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6150 attached [pid 6149] setpgid(0, 0 [pid 6148] memfd_create("syzkaller", 0 [pid 6147] memfd_create("syzkaller", 0 [pid 6146] <... openat resumed>) = 3 [pid 6145] <... clone3 resumed> => {parent_tid=[6150]}, 88) = 6150 [pid 6150] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6149] <... setpgid resumed>) = 0 [pid 6148] <... memfd_create resumed>) = 3 [pid 6147] <... memfd_create resumed>) = 3 [pid 6146] write(3, "1000", 4 [pid 6145] rt_sigprocmask(SIG_SETMASK, [] [pid 6150] <... rseq resumed>) = 0 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6146] <... write resumed>) = 4 [pid 6145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6150] set_robust_list(0x7f41ad7909a0, 24 [pid 6149] <... openat resumed>) = 3 [pid 6148] <... mmap resumed>) = 0x7f41a5370000 [pid 6147] <... mmap resumed>) = 0x7f41a5370000 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] write(3, "1000", 4 [pid 6146] close(3 [pid 6150] rt_sigprocmask(SIG_SETMASK, [] [pid 6149] <... write resumed>) = 4 [pid 6145] <... futex resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6146] <... close resumed>) = 0 [pid 6150] memfd_create("syzkaller", 0 [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6149] close(3 executing program [pid 6146] write(1, "executing program\n", 18 [pid 6150] <... memfd_create resumed>) = 3 [pid 6149] <... close resumed>) = 0 [pid 6146] <... write resumed>) = 18 [pid 6149] write(1, "executing program\n", 18 [pid 6148] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6147] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6149] <... write resumed>) = 18 executing program [pid 6146] <... futex resumed>) = 0 [pid 6150] <... mmap resumed>) = 0x7f41a5370000 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6149] <... futex resumed>) = 0 [pid 6146] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6149] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6149] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6147] <... write resumed>) = 1048576 [pid 6150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6146] <... mmap resumed>) = 0x7f41ad770000 [pid 6147] munmap(0x7f41a5370000, 138412032 [pid 6149] <... mmap resumed>) = 0x7f41ad770000 [pid 6146] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6147] <... munmap resumed>) = 0 [pid 6149] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6146] <... mprotect resumed>) = 0 [pid 6149] <... mprotect resumed>) = 0 [pid 6147] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6147] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6146] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6149] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6147] close(3) = 0 [pid 6148] <... write resumed>) = 1048576 ci2-upstream-fs/strace-static-x86_64: Process 6152 attached [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6151 attached [pid 6152] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6149] <... clone3 resumed> => {parent_tid=[6152]}, 88) = 6152 [pid 6148] munmap(0x7f41a5370000, 138412032 [pid 6147] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6151] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6152] <... rseq resumed>) = 0 [pid 6149] rt_sigprocmask(SIG_SETMASK, [] [pid 6147] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6146] <... clone3 resumed> => {parent_tid=[6151]}, 88) = 6151 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... rseq resumed>) = 0 [pid 6152] set_robust_list(0x7f41ad7909a0, 24 [pid 6149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6148] <... munmap resumed>) = 0 [pid 6147] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6146] rt_sigprocmask(SIG_SETMASK, [] [pid 6143] <... futex resumed>) = 0 [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] <... futex resumed>) = 0 [pid 6148] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6151] set_robust_list(0x7f41ad7909a0, 24 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6148] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6152] rt_sigprocmask(SIG_SETMASK, [] [pid 6150] <... write resumed>) = 1048576 [pid 6148] close(3 [pid 6147] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_SETMASK, [] [pid 6152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6150] munmap(0x7f41a5370000, 138412032 [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6152] memfd_create("syzkaller", 0 [pid 6150] <... munmap resumed>) = 0 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] memfd_create("syzkaller", 0 [pid 6152] <... memfd_create resumed>) = 3 [pid 6150] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6147] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6143] <... futex resumed>) = 0 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... memfd_create resumed>) = 3 [pid 6152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6148] <... close resumed>) = 0 [pid 6147] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6150] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6152] <... mmap resumed>) = 0x7f41a5370000 [pid 6150] close(3 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... mmap resumed>) = 0x7f41a5370000 [pid 6147] <... futex resumed>) = 1 [pid 6148] <... futex resumed>) = 1 [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6148] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6147] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6147] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] <... futex resumed>) = 0 [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] <... futex resumed>) = 0 [pid 6148] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6151] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6150] <... close resumed>) = 0 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] <... futex resumed>) = 0 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6148] <... futex resumed>) = 1 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6147] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6148] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6147] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 1 [pid 6144] <... futex resumed>) = 0 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6145] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0) = -1 EBADF (Bad file descriptor) [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] <... futex resumed>) = 0 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6145] <... futex resumed>) = 0 [pid 6150] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 1 [pid 6148] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 1 [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6145] <... futex resumed>) = 0 [pid 6150] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... write resumed>) = 1048576 [pid 6152] <... write resumed>) = 1048576 [pid 6150] <... futex resumed>) = 0 [pid 6148] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = 1 [pid 6150] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6147] <... futex resumed>) = 1 [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... futex resumed>) = 0 [pid 6150] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] munmap(0x7f41a5370000, 138412032 [pid 6152] munmap(0x7f41a5370000, 138412032 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... munmap resumed>) = 0 [pid 6152] <... munmap resumed>) = 0 [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 1 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6151] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6152] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6150] <... futex resumed>) = 1 [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] mkdirat(AT_FDCWD, NULL, 0777 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6152] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6150] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6151] close(3 [pid 6152] close(3 [pid 6148] mkdirat(AT_FDCWD, NULL, 0777 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... close resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6150] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6148] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6147] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6143] <... futex resumed>) = 0 [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... openat resumed>) = 4 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... futex resumed>) = 1 [pid 6152] <... futex resumed>) = 1 [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 1 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] <... futex resumed>) = 1 [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] <... futex resumed>) = 0 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6146] <... futex resumed>) = 0 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6151] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6152] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6151] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6152] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6150] mkdirat(AT_FDCWD, NULL, 0777 [pid 6148] <... openat resumed>) = 4 [pid 6147] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 1 [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6152] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] <... futex resumed>) = 0 [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6147] openat(AT_FDCWD, NULL, O_RDWR [pid 6146] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6151] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6149] <... futex resumed>) = 0 [pid 6148] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6151] <... futex resumed>) = 0 [pid 6152] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6150] <... openat resumed>) = 4 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6152] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6148] <... futex resumed>) = 1 [pid 6147] <... futex resumed>) = 1 [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6151] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6152] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] openat(AT_FDCWD, NULL, O_RDWR [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6145] <... futex resumed>) = 0 [pid 6147] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6150] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6150] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... futex resumed>) = 0 [pid 6147] <... futex resumed>) = 1 [pid 6151] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] <... futex resumed>) = 1 [pid 6147] sendfile(-1, -1, NULL, 553647746 [pid 6144] <... futex resumed>) = 0 [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = 1 [pid 6152] <... futex resumed>) = 0 [pid 6150] openat(AT_FDCWD, NULL, O_RDWR [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6150] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6149] <... futex resumed>) = 0 [pid 6148] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6147] <... futex resumed>) = 0 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] <... futex resumed>) = 0 [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] <... futex resumed>) = 0 [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] memfd_create("syzkaller", 0 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... futex resumed>) = 0 [pid 6150] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 1 [pid 6147] <... memfd_create resumed>) = 5 [pid 6145] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6151] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6152] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6150] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = 1 [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... mmap resumed>) = 0x7f41a5370000 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] sendfile(-1, -1, NULL, 553647746 [pid 6146] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] mkdirat(AT_FDCWD, NULL, 0777 [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] mkdirat(AT_FDCWD, NULL, 0777 [pid 6152] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] sendfile(-1, -1, NULL, 553647746 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] memfd_create("syzkaller", 0 [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 0 [pid 6150] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] <... memfd_create resumed>) = 5 [pid 6151] <... futex resumed>) = 0 [pid 6152] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] <... futex resumed>) = 0 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... mmap resumed>) = 0x7f41a5370000 [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... write resumed>) = 262144 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6152] <... openat resumed>) = 4 [pid 6147] munmap(0x7f41a5370000, 138412032 [pid 6146] <... futex resumed>) = 0 [pid 6145] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6148] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... futex resumed>) = 1 [pid 6147] <... munmap resumed>) = 0 [pid 6151] <... openat resumed>) = 4 [pid 6152] <... futex resumed>) = 1 [pid 6150] memfd_create("syzkaller", 0 [pid 6149] <... futex resumed>) = 0 [pid 6150] <... memfd_create resumed>) = 5 [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... write resumed>) = 262144 [pid 6147] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6145] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6151] <... futex resumed>) = 1 [pid 6152] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... mmap resumed>) = 0x7f41a5370000 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] munmap(0x7f41a5370000, 138412032 [pid 6147] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6146] <... futex resumed>) = 0 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] <... munmap resumed>) = 0 [pid 6147] close(5 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... futex resumed>) = 0 [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6152] openat(AT_FDCWD, NULL, O_RDWR [pid 6150] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6149] <... futex resumed>) = 0 [pid 6148] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6147] <... close resumed>) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6151] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6151] <... futex resumed>) = 1 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] <... futex resumed>) = 0 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6151] openat(AT_FDCWD, NULL, O_RDWR [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6147] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] exit_group(0 [pid 6151] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6152] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 6148] close(5 [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6147] <... futex resumed>) = ? [pid 6143] <... exit_group resumed>) = ? [pid 6151] <... futex resumed>) = 1 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6147] +++ exited with 0 +++ [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6151] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6143] +++ exited with 0 +++ [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6152] sendfile(-1, -1, NULL, 553647746 [pid 6150] <... write resumed>) = 262144 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] <... close resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6143, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] munmap(0x7f41a5370000, 138412032 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6151] <... futex resumed>) = 1 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = 1 [pid 6150] <... munmap resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6151] sendfile(-1, -1, NULL, 553647746 [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6149] <... futex resumed>) = 0 [pid 6148] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] memfd_create("syzkaller", 0 [pid 6149] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6144] exit_group(0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... memfd_create resumed>) = 5 [pid 6150] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6148] <... futex resumed>) = ? [pid 6144] <... exit_group resumed>) = ? [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6151] <... futex resumed>) = 1 [pid 6152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6150] close(5 [pid 6146] <... futex resumed>) = 0 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... mmap resumed>) = 0x7f41a5370000 [pid 6146] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] <... futex resumed>) = 0 [pid 6146] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6151] memfd_create("syzkaller", 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6151] <... memfd_create resumed>) = 5 [pid 6151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6152] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6151] <... mmap resumed>) = 0x7f41a5370000 [pid 6150] <... close resumed>) = 0 [pid 6148] +++ exited with 0 +++ [pid 6144] +++ exited with 0 +++ ci2-upstream-fs/strace-static-x86_64: Process 6153 attached [pid 6150] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6150] <... futex resumed>) = 1 [pid 6145] <... futex resumed>) = 0 [pid 6150] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... write resumed>) = 262144 [pid 6145] exit_group(0 [pid 6153] set_robust_list(0x5555683327a0, 24 [pid 6150] <... futex resumed>) = ? [pid 6145] <... exit_group resumed>) = ? [pid 6153] <... set_robust_list resumed>) = 0 [pid 6151] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6153 [pid 6153] rt_sigprocmask(SIG_SETMASK, [] [pid 6152] munmap(0x7f41a5370000, 138412032 [pid 6150] +++ exited with 0 +++ [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6152] <... munmap resumed>) = 0 [pid 6145] +++ exited with 0 +++ [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6151] <... write resumed>) = 262144 [pid 6152] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6153] <... prctl resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6153] setpgid(0, 0 [pid 6152] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] <... setpgid resumed>) = 0 [pid 6152] close(5 [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... restart_syscall resumed>) = 0 [pid 6151] munmap(0x7f41a5370000, 138412032ci2-upstream-fs/strace-static-x86_64: Process 6154 attached [pid 6153] <... openat resumed>) = 3 [pid 6153] write(3, "1000", 4 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6154] set_robust_list(0x5555683327a0, 24 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6154 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] <... write resumed>) = 4 [pid 6152] <... close resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6154] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6153] close(3 [pid 6151] <... munmap resumed>) = 0 [pid 6152] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6153] <... close resumed>) = 0 [pid 6153] write(1, "executing program\n", 18) = 18 [pid 6152] <... futex resumed>) = 1 executing program [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6153] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6149] exit_group(0 [pid 6153] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6154] <... prctl resumed>) = 0 [pid 6153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6152] <... futex resumed>) = ? [pid 6149] <... exit_group resumed>) = ? [pid 6154] setpgid(0, 0 [pid 6151] openat(AT_FDCWD, "/dev/loop0", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6155 attached [pid 6154] <... setpgid resumed>) = 0 [pid 6153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6151] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6152] +++ exited with 0 +++ [pid 6149] +++ exited with 0 +++ [pid 6155] set_robust_list(0x5555683327a0, 24 [pid 6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] close(5 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6155 [pid 6153] <... mmap resumed>) = 0x7f41ad770000 [pid 6153] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6155] <... set_robust_list resumed>) = 0 [pid 6153] <... mprotect resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6155] rt_sigprocmask(SIG_SETMASK, [] [pid 6153] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6151] <... close resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6153] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6151] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6151] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILLci2-upstream-fs/strace-static-x86_64: Process 6156 attached ) = 0 [pid 6154] <... openat resumed>) = 3 [pid 6151] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] exit_group(0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6156] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6155] setpgid(0, 0 [pid 6154] write(3, "1000", 4 [pid 6153] <... clone3 resumed> => {parent_tid=[6156]}, 88) = 6156 [pid 6151] <... futex resumed>) = ? [pid 6156] <... rseq resumed>) = 0 [pid 6146] <... exit_group resumed>) = ? [pid 6155] <... setpgid resumed>) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6156] set_robust_list(0x7f41ad7909a0, 24 [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] <... write resumed>) = 4 [pid 6151] +++ exited with 0 +++ [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6156] <... set_robust_list resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6156] rt_sigprocmask(SIG_SETMASK, [] [pid 6155] <... openat resumed>) = 3 [pid 6154] close(3 [pid 6153] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6156] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6155] write(3, "1000", 4 [pid 6154] <... close resumed>) = 0 [pid 6153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6146] +++ exited with 0 +++ [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] <... write resumed>) = 4 [pid 6154] write(1, "executing program\n", 18 executing program [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6157 attached [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] close(3 [pid 6154] <... write resumed>) = 18 [pid 6153] <... futex resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6146, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6157] set_robust_list(0x5555683327a0, 24 [pid 6156] memfd_create("syzkaller", 0 [pid 6155] <... close resumed>) = 0 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6157 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6157] <... set_robust_list resumed>) = 0 [pid 6155] write(1, "executing program\n", 18 [pid 6154] <... futex resumed>) = 0 [pid 6156] <... memfd_create resumed>) = 3 executing program [pid 6154] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6155] <... write resumed>) = 18 [pid 6154] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6157] rt_sigprocmask(SIG_SETMASK, [] [pid 6156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6156] <... mmap resumed>) = 0x7f41a5370000 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6156] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6155] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] <... prctl resumed>) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6155] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6157] setpgid(0, 0 [pid 6155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6154] <... mmap resumed>) = 0x7f41ad770000 [pid 6157] <... setpgid resumed>) = 0 [pid 6155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6154] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6154] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6155] <... mmap resumed>) = 0x7f41ad770000 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6155] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6154] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6157] <... openat resumed>) = 3 [pid 6154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6158 attached [pid 6157] write(3, "1000", 4 [pid 6155] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6158] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6157] <... write resumed>) = 4 [pid 6155] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6154] <... clone3 resumed> => {parent_tid=[6158]}, 88) = 6158 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6158] <... rseq resumed>) = 0 [pid 6157] close(3 [pid 6155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6157] <... close resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6160 attached ci2-upstream-fs/strace-static-x86_64: Process 6159 attached [pid 6158] set_robust_list(0x7f41ad7909a0, 24 [pid 6157] write(1, "executing program\n", 18 [pid 6156] <... write resumed>) = 1048576 executing program [pid 6154] rt_sigprocmask(SIG_SETMASK, [] [pid 6160] set_robust_list(0x5555683327a0, 24 [pid 6159] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6158] <... set_robust_list resumed>) = 0 [pid 6157] <... write resumed>) = 18 [pid 6156] munmap(0x7f41a5370000, 138412032 [pid 6155] <... clone3 resumed> => {parent_tid=[6159]}, 88) = 6159 [pid 6154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6159] <... rseq resumed>) = 0 [pid 6158] rt_sigprocmask(SIG_SETMASK, [] [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... munmap resumed>) = 0 [pid 6155] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6160 [pid 6160] rt_sigprocmask(SIG_SETMASK, [] [pid 6159] set_robust_list(0x7f41ad7909a0, 24 [pid 6158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6156] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6159] <... set_robust_list resumed>) = 0 [pid 6158] memfd_create("syzkaller", 0 [pid 6157] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6156] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6159] rt_sigprocmask(SIG_SETMASK, [] [pid 6158] <... memfd_create resumed>) = 3 [pid 6157] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6156] close(3 [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6160] <... prctl resumed>) = 0 [pid 6159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6160] setpgid(0, 0 [pid 6159] memfd_create("syzkaller", 0 [pid 6158] <... mmap resumed>) = 0x7f41a5370000 [pid 6157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6160] <... setpgid resumed>) = 0 [pid 6159] <... memfd_create resumed>) = 3 [pid 6157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6157] <... mmap resumed>) = 0x7f41ad770000 [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] <... mmap resumed>) = 0x7f41a5370000 [pid 6157] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6160] <... openat resumed>) = 3 [pid 6157] <... mprotect resumed>) = 0 [pid 6160] write(3, "1000", 4 [pid 6157] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6160] <... write resumed>) = 4 [pid 6160] close(3 [pid 6157] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6160] <... close resumed>) = 0 [pid 6157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6161 attached [pid 6160] write(1, "executing program\n", 18 [pid 6161] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6160] <... write resumed>) = 18 [pid 6157] <... clone3 resumed> => {parent_tid=[6161]}, 88) = 6161 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6157] rt_sigprocmask(SIG_SETMASK, [] [pid 6161] <... rseq resumed>) = 0 [pid 6161] set_robust_list(0x7f41ad7909a0, 24 [pid 6157] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6161] rt_sigprocmask(SIG_SETMASK, [] [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6160] <... mmap resumed>) = 0x7f41ad770000 [pid 6158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6157] <... futex resumed>) = 0 [pid 6156] <... close resumed>) = 0 [pid 6161] memfd_create("syzkaller", 0 [pid 6159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6161] <... memfd_create resumed>) = 3 [pid 6160] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6160] <... mprotect resumed>) = 0 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6156] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6156] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6156] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6153] <... futex resumed>) = 0 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6162 attached [pid 6160] <... clone3 resumed> => {parent_tid=[6162]}, 88) = 6162 [pid 6156] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6160] rt_sigprocmask(SIG_SETMASK, [] [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... rseq resumed>) = 0 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] set_robust_list(0x7f41ad7909a0, 24 [pid 6161] <... write resumed>) = 1048576 [pid 6160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6156] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6153] <... futex resumed>) = 0 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6161] munmap(0x7f41a5370000, 138412032 [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] rt_sigprocmask(SIG_SETMASK, [] [pid 6161] <... munmap resumed>) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6161] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6156] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 0 [pid 6162] memfd_create("syzkaller", 0 [pid 6161] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6159] <... write resumed>) = 1048576 [pid 6158] <... write resumed>) = 1048576 [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... memfd_create resumed>) = 3 [pid 6161] close(3 [pid 6162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6158] munmap(0x7f41a5370000, 138412032 [pid 6156] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... mmap resumed>) = 0x7f41a5370000 [pid 6159] munmap(0x7f41a5370000, 138412032 [pid 6158] <... munmap resumed>) = 0 [pid 6156] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... munmap resumed>) = 0 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6156] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 0 [pid 6159] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6158] close(3 [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6159] close(3 [pid 6156] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... close resumed>) = 0 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6153] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6161] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6162] <... write resumed>) = 1048576 [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] munmap(0x7f41a5370000, 138412032 [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... munmap resumed>) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6156] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6162] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6161] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6159] <... close resumed>) = 0 [pid 6158] <... close resumed>) = 0 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6161] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6156] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 0 [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] close(3 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6156] mkdirat(AT_FDCWD, NULL, 0777 [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6156] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6159] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6158] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6159] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6158] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6157] <... futex resumed>) = 0 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 0 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... close resumed>) = 0 [pid 6161] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 1 [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6158] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 6161] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6159] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6158] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6157] <... futex resumed>) = 0 [pid 6156] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6155] <... futex resumed>) = 0 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... futex resumed>) = 0 [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... openat resumed>) = 4 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6161] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] <... futex resumed>) = 1 [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = 0 [pid 6162] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6161] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = 1 [pid 6161] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 0 [pid 6158] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... futex resumed>) = 0 [pid 6156] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6156] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6161] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6159] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = 0 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... futex resumed>) = 0 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] openat(AT_FDCWD, NULL, O_RDWR [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 0 [pid 6158] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... futex resumed>) = 0 [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... futex resumed>) = 0 [pid 6156] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6153] <... futex resumed>) = 0 [pid 6162] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6161] <... futex resumed>) = 1 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6158] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 1 [pid 6161] mkdirat(AT_FDCWD, NULL, 0777 [pid 6160] <... futex resumed>) = 0 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] sendfile(-1, -1, NULL, 553647746 [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6161] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 1 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6162] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] <... futex resumed>) = 1 [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = 1 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = 0 [pid 6161] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6159] mkdirat(AT_FDCWD, NULL, 0777 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] <... openat resumed>) = 4 [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6158] mkdirat(AT_FDCWD, NULL, 0777 [pid 6157] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6162] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 1 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 1 [pid 6162] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6161] <... futex resumed>) = 0 [pid 6159] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6158] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] memfd_create("syzkaller", 0 [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6153] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... openat resumed>) = 4 [pid 6158] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... memfd_create resumed>) = 5 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... openat resumed>) = 4 [pid 6157] <... futex resumed>) = 0 [pid 6156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 6161] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6160] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 0 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] <... mmap resumed>) = 0x7f41a5370000 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] mkdirat(AT_FDCWD, NULL, 0777 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] <... futex resumed>) = 1 [pid 6162] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6159] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6158] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... futex resumed>) = 0 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6158] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... futex resumed>) = 1 [pid 6161] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... futex resumed>) = 0 [pid 6156] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] openat(AT_FDCWD, NULL, O_RDWR [pid 6157] <... futex resumed>) = 0 [pid 6156] <... write resumed>) = 262144 [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6162] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6161] openat(AT_FDCWD, NULL, O_RDWR [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] munmap(0x7f41a5370000, 138412032 [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... openat resumed>) = 4 [pid 6161] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6159] openat(AT_FDCWD, NULL, O_RDWR [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... munmap resumed>) = 0 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6158] <... futex resumed>) = 0 [pid 6156] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = 1 [pid 6161] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6157] <... futex resumed>) = 0 [pid 6156] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6154] <... futex resumed>) = 0 [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] close(5 [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6159] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6161] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6158] <... futex resumed>) = 1 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] <... close resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6162] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6161] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] sendfile(-1, -1, NULL, 553647746 [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] exit_group(0 [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] <... futex resumed>) = 0 [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = ? [pid 6155] <... futex resumed>) = 0 [pid 6153] <... exit_group resumed>) = ? [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] sendfile(-1, -1, NULL, 553647746 [pid 6160] <... futex resumed>) = 0 [pid 6159] sendfile(-1, -1, NULL, 553647746 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] +++ exited with 0 +++ [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] openat(AT_FDCWD, NULL, O_RDWR [pid 6161] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... futex resumed>) = 1 [pid 6154] <... futex resumed>) = 0 [pid 6153] +++ exited with 0 +++ [pid 6162] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = 1 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6153, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6162] <... futex resumed>) = 1 [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] memfd_create("syzkaller", 0 [pid 6157] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... futex resumed>) = 0 [pid 6162] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6161] memfd_create("syzkaller", 0 [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... memfd_create resumed>) = 5 [pid 6157] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6155] <... futex resumed>) = 0 [pid 6162] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6161] <... memfd_create resumed>) = 5 [pid 6160] <... futex resumed>) = 0 [pid 6159] memfd_create("syzkaller", 0 [pid 6158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6155] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... memfd_create resumed>) = 5 [pid 6158] <... mmap resumed>) = 0x7f41a5370000 [pid 6162] <... futex resumed>) = 0 [pid 6161] <... mmap resumed>) = 0x7f41a5370000 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6160] <... futex resumed>) = 0 [pid 6159] <... mmap resumed>) = 0x7f41a5370000 [pid 6162] sendfile(-1, -1, NULL, 553647746 [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... write resumed>) = 262144 [pid 6159] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6162] <... futex resumed>) = 1 [pid 6161] munmap(0x7f41a5370000, 138412032 [pid 6160] <... futex resumed>) = 0 [pid 6162] memfd_create("syzkaller", 0 [pid 6161] <... munmap resumed>) = 0 [pid 6160] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... memfd_create resumed>) = 5 [pid 6161] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6160] <... futex resumed>) = 0 [pid 6158] <... write resumed>) = 262144 [pid 6162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6161] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6160] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] <... write resumed>) = 262144 [pid 6158] munmap(0x7f41a5370000, 138412032 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6162] <... mmap resumed>) = 0x7f41a5370000 [pid 6162] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6161] close(5 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6158] <... munmap resumed>) = 0 [pid 6159] munmap(0x7f41a5370000, 138412032) = 0 [pid 6158] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6158] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6159] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6158] close(5 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6159] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6159] close(5 [pid 6161] <... close resumed>) = 0 [pid 6158] <... close resumed>) = 0 [pid 6161] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... close resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6158] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6163 attached [pid 6161] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6163 [pid 6163] set_robust_list(0x5555683327a0, 24 [pid 6162] <... write resumed>) = 262144 [pid 6159] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] exit_group(0 [pid 6154] exit_group(0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6163] <... set_robust_list resumed>) = 0 [pid 6161] <... futex resumed>) = ? [pid 6162] munmap(0x7f41a5370000, 138412032 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = ? [pid 6157] <... exit_group resumed>) = ? [pid 6155] <... futex resumed>) = 0 [pid 6154] <... exit_group resumed>) = ? [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6163] rt_sigprocmask(SIG_SETMASK, [] [pid 6162] <... munmap resumed>) = 0 [pid 6161] +++ exited with 0 +++ [pid 6159] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] +++ exited with 0 +++ [pid 6155] exit_group(0) = ? [pid 6159] <... futex resumed>) = ? [pid 6163] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6157] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6157, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6162] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6163] setpgid(0, 0) = 0 [pid 6162] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6154] +++ exited with 0 +++ [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] +++ exited with 0 +++ [pid 6155] +++ exited with 0 +++ [pid 6162] close(5 [pid 6163] <... openat resumed>) = 3 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6163] write(3, "1000", 4 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6163] <... write resumed>) = 4 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6162] <... close resumed>) = 0 [pid 6163] close(3 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6163] <... close resumed>) = 0 [pid 6162] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6163] write(1, "executing program\n", 18 [pid 6162] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 executing program [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6164 attached [pid 6163] <... write resumed>) = 18 [pid 6162] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] exit_group(0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6164] set_robust_list(0x5555683327a0, 24 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... exit_group resumed>) = ? [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6164 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = ? [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6164] rt_sigprocmask(SIG_SETMASK, [] [pid 6163] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6163] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6162] +++ exited with 0 +++ [pid 6160] +++ exited with 0 +++ [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6160, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6164] <... prctl resumed>) = 0 [pid 6163] <... mmap resumed>) = 0x7f41ad770000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6164] setpgid(0, 0 [pid 6163] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6164] <... setpgid resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] <... mprotect resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6165 attached [pid 6164] <... openat resumed>) = 3 [pid 6163] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6166 attached [pid 6165] set_robust_list(0x5555683327a0, 24 [pid 6164] write(3, "1000", 4 [pid 6163] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6166] set_robust_list(0x5555683327a0, 24 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] <... write resumed>) = 4 [pid 6163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6165 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6166 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6165] rt_sigprocmask(SIG_SETMASK, [] [pid 6164] close(3 [pid 5605] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6167 attached [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6163] <... clone3 resumed> => {parent_tid=[6167]}, 88) = 6167 [pid 6166] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6167] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6164] <... close resumed>) = 0 [pid 6163] rt_sigprocmask(SIG_SETMASK, [] [pid 6166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6167] <... rseq resumed>) = 0 [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6165] <... prctl resumed>) = 0 [pid 6164] write(1, "executing program\n", 18 [pid 6163] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6167] set_robust_list(0x7f41ad7909a0, 24 [pid 6166] <... prctl resumed>) = 0 [pid 6165] setpgid(0, 0 [pid 6164] <... write resumed>) = 18 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6167] <... set_robust_list resumed>) = 0 [pid 6166] setpgid(0, 0 [pid 6165] <... setpgid resumed>) = 0 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6167] rt_sigprocmask(SIG_SETMASK, [] [pid 6166] <... setpgid resumed>) = 0 [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6164] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6164] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6165] <... openat resumed>) = 3 [pid 6164] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6167] memfd_create("syzkaller", 0 [pid 6165] write(3, "1000", 4 [pid 6164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6165] <... write resumed>) = 4 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6167] <... memfd_create resumed>) = 3 [pid 6166] <... openat resumed>) = 3 [pid 6165] close(3 [pid 6164] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6168 attached [pid 6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6166] write(3, "1000", 4 [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] <... close resumed>) = 0 [pid 6164] <... mmap resumed>) = 0x7f41ad770000 [pid 6168] set_robust_list(0x5555683327a0, 24 [pid 6164] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6166] <... write resumed>) = 4 executing program [pid 6165] write(1, "executing program\n", 18 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6167] <... mmap resumed>) = 0x7f41a5370000 [pid 6166] close(3 [pid 6165] <... write resumed>) = 18 [pid 6164] <... mprotect resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6168 [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6166] <... close resumed>) = 0 [pid 6165] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6166] write(1, "executing program\n", 18 [pid 6165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6166] <... write resumed>) = 18 [pid 6165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6164] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 6168] rt_sigprocmask(SIG_SETMASK, [] [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... mmap resumed>) = 0x7f41ad770000 [pid 6164] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6165] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6166] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6165] <... mprotect resumed>) = 0 [pid 6164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6166] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6165] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6169 attached [pid 6166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6169] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6168] <... prctl resumed>) = 0 [pid 6167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6165] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6164] <... clone3 resumed> => {parent_tid=[6169]}, 88) = 6169 [pid 6169] <... rseq resumed>) = 0 [pid 6168] setpgid(0, 0 [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6164] rt_sigprocmask(SIG_SETMASK, [] [pid 6169] set_robust_list(0x7f41ad7909a0, 24 [pid 6168] <... setpgid resumed>) = 0 [pid 6166] <... mmap resumed>) = 0x7f41ad770000 [pid 6164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6170 attached [pid 6169] rt_sigprocmask(SIG_SETMASK, [] [pid 6170] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6166] <... mprotect resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6165] <... clone3 resumed> => {parent_tid=[6170]}, 88) = 6170 [pid 6169] memfd_create("syzkaller", 0 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6170] <... rseq resumed>) = 0 [pid 6169] <... memfd_create resumed>) = 3 [pid 6168] <... openat resumed>) = 3 [pid 6167] <... write resumed>) = 1048576 [pid 6166] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6165] rt_sigprocmask(SIG_SETMASK, [] [pid 6170] set_robust_list(0x7f41ad7909a0, 24 [pid 6169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6170] rt_sigprocmask(SIG_SETMASK, [] [pid 6169] <... mmap resumed>) = 0x7f41a5370000 [pid 6166] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6168] write(3, "1000", 4 [pid 6170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6167] munmap(0x7f41a5370000, 138412032 [pid 6166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] memfd_create("syzkaller", 0 [pid 6167] <... munmap resumed>) = 0 [pid 6170] <... memfd_create resumed>) = 3 [pid 6168] <... write resumed>) = 4 [pid 6170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6165] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6171 attached [pid 6170] <... mmap resumed>) = 0x7f41a5370000 [pid 6168] close(3 [pid 6167] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6171] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6168] <... close resumed>) = 0 [pid 6168] write(1, "executing program\n", 18 [pid 6167] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6171] <... rseq resumed>) = 0 [pid 6171] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6167] close(3 [pid 6171] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 6168] <... write resumed>) = 18 [pid 6166] <... clone3 resumed> => {parent_tid=[6171]}, 88) = 6171 [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] rt_sigprocmask(SIG_SETMASK, [] [pid 6168] <... futex resumed>) = 0 [pid 6166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6168] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] memfd_create("syzkaller", 0 [pid 6168] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6171] <... memfd_create resumed>) = 3 [pid 6168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6169] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6168] <... mmap resumed>) = 0x7f41ad770000 [pid 6171] <... mmap resumed>) = 0x7f41a5370000 [pid 6168] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6170] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6168] <... mprotect resumed>) = 0 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6172 attached [pid 6172] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6168] <... clone3 resumed> => {parent_tid=[6172]}, 88) = 6172 [pid 6168] rt_sigprocmask(SIG_SETMASK, [] [pid 6172] <... rseq resumed>) = 0 [pid 6168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6172] set_robust_list(0x7f41ad7909a0, 24 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 6167] <... close resumed>) = 0 [pid 6172] rt_sigprocmask(SIG_SETMASK, [] [pid 6171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6172] memfd_create("syzkaller", 0 [pid 6169] <... write resumed>) = 1048576 [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6172] <... memfd_create resumed>) = 3 [pid 6169] munmap(0x7f41a5370000, 138412032 [pid 6167] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] <... futex resumed>) = 0 [pid 6172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6163] <... futex resumed>) = 0 [pid 6169] <... munmap resumed>) = 0 [pid 6167] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6169] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6163] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] close(3 [pid 6167] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6163] <... futex resumed>) = 0 [pid 6167] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... futex resumed>) = 0 [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... futex resumed>) = 0 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6163] <... futex resumed>) = 0 [pid 6167] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... write resumed>) = 1048576 [pid 6167] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6163] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] munmap(0x7f41a5370000, 138412032) = 0 [pid 6170] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6167] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6170] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6163] <... futex resumed>) = 0 [pid 6170] close(3 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = 0 [pid 6167] mkdirat(AT_FDCWD, NULL, 0777 [pid 6163] <... futex resumed>) = 0 [pid 6167] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... futex resumed>) = 0 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = 1 [pid 6167] <... openat resumed>) = 4 [pid 6164] <... futex resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6171] <... write resumed>) = 1048576 [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... futex resumed>) = 0 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] munmap(0x7f41a5370000, 138412032 [pid 6169] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = -1 EISDIR (Is a directory) [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6171] <... munmap resumed>) = 0 [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6163] <... futex resumed>) = 0 [pid 6171] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6169] <... futex resumed>) = 1 [pid 6167] openat(AT_FDCWD, NULL, O_RDWR [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6163] <... futex resumed>) = 0 [pid 6171] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... write resumed>) = 1048576 [pid 6171] close(3 [pid 6170] <... close resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] munmap(0x7f41a5370000, 138412032 [pid 6169] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 1 [pid 6169] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6167] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6172] <... munmap resumed>) = 0 [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... futex resumed>) = 1 [pid 6167] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6172] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6164] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6172] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6169] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] close(3 [pid 6170] <... futex resumed>) = 0 [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 1 [pid 6163] <... futex resumed>) = 0 [pid 6171] <... close resumed>) = 0 [pid 6170] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6169] <... futex resumed>) = 1 [pid 6167] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] sendfile(-1, -1, NULL, 553647746 [pid 6164] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 1 [pid 6169] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6167] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... close resumed>) = 0 [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = 1 [pid 6171] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6170] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6169] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6167] memfd_create("syzkaller", 0 [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6163] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6170] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... futex resumed>) = 0 [pid 6167] <... memfd_create resumed>) = 5 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 1 [pid 6169] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6172] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6167] <... mmap resumed>) = 0x7f41a5370000 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... futex resumed>) = 1 [pid 6171] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6170] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6169] <... futex resumed>) = 0 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6170] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] mkdirat(AT_FDCWD, NULL, 0777 [pid 6168] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 1 [pid 6169] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] <... write resumed>) = 262144 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 0 [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] <... futex resumed>) = 1 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] munmap(0x7f41a5370000, 138412032 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6172] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6171] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6170] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... munmap resumed>) = 0 [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... futex resumed>) = 0 [pid 6171] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6169] <... openat resumed>) = 4 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6171] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6170] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6167] close(5 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6172] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = 1 [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... futex resumed>) = 0 [pid 6170] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6169] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6168] <... futex resumed>) = 0 [pid 6167] <... close resumed>) = 0 [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = 0 [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = 1 [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] <... futex resumed>) = 0 [pid 6172] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6171] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... futex resumed>) = 0 [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6169] openat(AT_FDCWD, NULL, O_RDWR [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] exit_group(0 [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6165] <... futex resumed>) = 0 [pid 6163] <... exit_group resumed>) = ? [pid 6167] <... futex resumed>) = ? [pid 6164] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] mkdirat(AT_FDCWD, NULL, 0777 [pid 6169] <... futex resumed>) = 0 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = 1 [pid 6170] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... futex resumed>) = 0 [pid 6167] +++ exited with 0 +++ [pid 6166] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] +++ exited with 0 +++ [pid 6172] mkdirat(AT_FDCWD, NULL, 0777 [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6172] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = 1 [pid 6169] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] mkdirat(AT_FDCWD, NULL, 0777 [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6169] <... futex resumed>) = 1 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = 1 [pid 6170] <... openat resumed>) = 4 [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = 0 [pid 6172] <... openat resumed>) = 4 [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = 1 [pid 6169] sendfile(-1, -1, NULL, 553647746 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... openat resumed>) = 4 [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6169] <... futex resumed>) = 1 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = 1 [pid 6170] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = 0 [pid 6172] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = 1 [pid 6169] memfd_create("syzkaller", 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... memfd_create resumed>) = 5 [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6172] <... futex resumed>) = 1 [pid 6171] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6168] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] openat(AT_FDCWD, NULL, O_RDWR [pid 6169] <... mmap resumed>) = 0x7f41a5370000 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = 1 [pid 6170] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6166] <... futex resumed>) = 0 [pid 6172] openat(AT_FDCWD, NULL, O_RDWR [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6166] <... futex resumed>) = 0 [pid 6172] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6173 attached [pid 6172] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = 1 [pid 6169] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = 0 [pid 6173] set_robust_list(0x5555683327a0, 24 [pid 6172] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6171] openat(AT_FDCWD, NULL, O_RDWR [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] <... set_robust_list resumed>) = 0 [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6168] <... futex resumed>) = 0 [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 0 [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6173 [pid 6173] rt_sigprocmask(SIG_SETMASK, [] [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6170] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6172] <... futex resumed>) = 0 [pid 6171] <... futex resumed>) = 0 [pid 6170] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6168] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 1 [pid 6169] <... write resumed>) = 262144 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6173] <... prctl resumed>) = 0 [pid 6172] sendfile(-1, -1, NULL, 553647746 [pid 6171] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] munmap(0x7f41a5370000, 138412032 [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] setpgid(0, 0 [pid 6172] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6170] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 0 [pid 6173] <... setpgid resumed>) = 0 [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... munmap resumed>) = 0 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6172] <... futex resumed>) = 1 [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6168] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6173] <... openat resumed>) = 3 [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] sendfile(-1, -1, NULL, 553647746 [pid 6169] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6168] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] write(3, "1000", 4 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(5 [pid 6168] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6173] <... write resumed>) = 4 [pid 6172] memfd_create("syzkaller", 0 [pid 6171] sendfile(-1, -1, NULL, 553647746 [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... futex resumed>) = 1 [pid 6168] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] close(3 [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... futex resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 6172] <... memfd_create resumed>) = 5 [pid 6171] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] <... close resumed>) = 0 [pid 6166] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] write(1, "executing program\n", 18 [pid 6172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6171] memfd_create("syzkaller", 0 [pid 6165] <... futex resumed>) = 0 [pid 6169] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6173] <... write resumed>) = 18 [pid 6169] <... futex resumed>) = 1 executing program [pid 6165] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 6166] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... mmap resumed>) = 0x7f41a5370000 [pid 6171] <... memfd_create resumed>) = 5 [pid 6170] memfd_create("syzkaller", 0 [pid 6169] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] exit_group(0 [pid 6173] <... futex resumed>) = 0 [pid 6171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6170] <... memfd_create resumed>) = 5 [pid 6173] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6172] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6171] <... mmap resumed>) = 0x7f41a5370000 [pid 6170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6169] <... futex resumed>) = ? [pid 6164] <... exit_group resumed>) = ? [pid 6173] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6170] <... mmap resumed>) = 0x7f41a5370000 [pid 6169] +++ exited with 0 +++ [pid 6173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6164] +++ exited with 0 +++ [pid 6173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6164, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6173] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6172] <... write resumed>) = 262144 [pid 6171] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6173] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6172] munmap(0x7f41a5370000, 138412032 [pid 6170] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6173] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6172] <... munmap resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6174 attached [pid 6172] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6173] <... clone3 resumed> => {parent_tid=[6174]}, 88) = 6174 [pid 6174] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6173] rt_sigprocmask(SIG_SETMASK, [] [pid 6172] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6171] <... write resumed>) = 262144 [pid 6174] <... rseq resumed>) = 0 [pid 6173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6172] close(5 [pid 6171] munmap(0x7f41a5370000, 138412032 [pid 6174] set_robust_list(0x7f41ad7909a0, 24 [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... munmap resumed>) = 0 [pid 6170] <... write resumed>) = 262144 [pid 6174] <... set_robust_list resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6172] <... close resumed>) = 0 [pid 6170] munmap(0x7f41a5370000, 138412032 [pid 6174] rt_sigprocmask(SIG_SETMASK, [] [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6171] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6170] <... munmap resumed>) = 0 [pid 6174] memfd_create("syzkaller", 0 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6170] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6168] <... futex resumed>) = 0 [pid 6174] <... memfd_create resumed>) = 3 [pid 6172] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] close(5 [pid 6170] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6168] exit_group(0 [pid 6174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6172] <... futex resumed>) = ? [pid 6170] close(5 [pid 6168] <... exit_group resumed>) = ? [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6174] <... mmap resumed>) = 0x7f41a5370000 [pid 6172] +++ exited with 0 +++ [pid 6168] +++ exited with 0 +++ [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6171] <... close resumed>) = 0 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6171] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... close resumed>) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6171] <... futex resumed>) = 1 [pid 6174] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6171] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6175 attached [pid 6170] <... futex resumed>) = 1 [pid 6166] exit_group(0 [pid 6165] <... futex resumed>) = 0 [pid 6175] set_robust_list(0x5555683327a0, 24 [pid 6171] <... futex resumed>) = ? [pid 6170] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6166] <... exit_group resumed>) = ? [pid 6165] exit_group(0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6175] <... set_robust_list resumed>) = 0 [pid 6171] +++ exited with 0 +++ [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6175 [pid 6175] rt_sigprocmask(SIG_SETMASK, [] [pid 6170] <... futex resumed>) = ? [pid 6165] <... exit_group resumed>) = ? [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6166] +++ exited with 0 +++ [pid 6175] <... prctl resumed>) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6175] setpgid(0, 0) = 0 [pid 6170] +++ exited with 0 +++ [pid 6165] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6165, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ci2-upstream-fs/strace-static-x86_64: Process 6176 attached [pid 6176] set_robust_list(0x5555683327a0, 24 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6176 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6176] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... restart_syscall resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6175] <... openat resumed>) = 3 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] write(3, "1000", 4 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6176] <... prctl resumed>) = 0 [pid 6175] <... write resumed>) = 4 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6176] setpgid(0, 0 [pid 6175] close(3 [pid 6174] <... write resumed>) = 1048576 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6176] <... setpgid resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 6174] munmap(0x7f41a5370000, 138412032 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6175] write(1, "executing program\n", 18 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR executing program [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] <... write resumed>) = 18 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6177 attached [pid 6176] <... openat resumed>) = 3 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... munmap resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6177] set_robust_list(0x5555683327a0, 24 [pid 6175] <... futex resumed>) = 0 [pid 6174] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6177 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6177] <... set_robust_list resumed>) = 0 [pid 6176] write(3, "1000", 4 [pid 6175] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6174] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6177] rt_sigprocmask(SIG_SETMASK, [] [pid 6176] <... write resumed>) = 4 [pid 6175] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6174] close(3 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6176] close(3) = 0 [pid 6177] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6176] write(1, "executing program\n", 18 [pid 6175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6176] <... write resumed>) = 18 [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6177] <... prctl resumed>) = 0 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6177] setpgid(0, 0) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] <... mmap resumed>) = 0x7f41ad770000 [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6176] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}ci2-upstream-fs/strace-static-x86_64: Process 6178 attached , NULL, 8) = 0 [pid 6177] <... openat resumed>) = 3 [pid 6175] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6178] set_robust_list(0x5555683327a0, 24 [pid 6176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6175] <... mprotect resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6178 [pid 6178] rt_sigprocmask(SIG_SETMASK, [] [pid 6177] write(3, "1000", 4 [pid 6176] <... mmap resumed>) = 0x7f41ad770000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6177] <... write resumed>) = 4 [pid 6175] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6176] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6177] close(3 [pid 6175] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6176] <... mprotect resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6178] <... prctl resumed>) = 0 [pid 6177] <... close resumed>) = 0 [pid 6176] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6179 attached [pid 6178] setpgid(0, 0 [pid 6177] write(1, "executing program\n", 18 [pid 6176] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 6174] <... close resumed>) = 0 [pid 6179] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6178] <... setpgid resumed>) = 0 [pid 6177] <... write resumed>) = 18 [pid 6176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6175] <... clone3 resumed> => {parent_tid=[6179]}, 88) = 6179 ci2-upstream-fs/strace-static-x86_64: Process 6180 attached [pid 6179] <... rseq resumed>) = 0 [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] rt_sigprocmask(SIG_SETMASK, [] [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6179] set_robust_list(0x7f41ad7909a0, 24 [pid 6178] <... openat resumed>) = 3 [pid 6177] <... futex resumed>) = 0 [pid 6176] <... clone3 resumed> => {parent_tid=[6180]}, 88) = 6180 [pid 6175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6180] <... rseq resumed>) = 0 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6178] write(3, "1000", 4 [pid 6177] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6176] rt_sigprocmask(SIG_SETMASK, [] [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] set_robust_list(0x7f41ad7909a0, 24 [pid 6179] rt_sigprocmask(SIG_SETMASK, [] [pid 6178] <... write resumed>) = 4 [pid 6177] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6178] close(3 [pid 6177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6174] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] rt_sigprocmask(SIG_SETMASK, [] [pid 6179] memfd_create("syzkaller", 0 [pid 6178] <... close resumed>) = 0 [pid 6177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6179] <... memfd_create resumed>) = 3 [pid 6178] write(1, "executing program\n", 18 [pid 6177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6174] <... futex resumed>) = 0 [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] memfd_create("syzkaller", 0 [pid 6179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6178] <... write resumed>) = 18 [pid 6177] <... mmap resumed>) = 0x7f41ad770000 [pid 6174] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6173] <... futex resumed>) = 0 [pid 6180] <... memfd_create resumed>) = 3 [pid 6179] <... mmap resumed>) = 0x7f41a5370000 [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6174] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] <... futex resumed>) = 0 [pid 6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6178] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6177] <... mprotect resumed>) = 0 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6177] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6177] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6181 attached [pid 6178] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6174] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6178] <... mprotect resumed>) = 0 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... rseq resumed>) = 0 [pid 6178] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6181] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6178] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6181] rt_sigprocmask(SIG_SETMASK, [] [pid 6178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6177] <... clone3 resumed> => {parent_tid=[6181]}, 88) = 6181 [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6182 attached [pid 6181] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6177] rt_sigprocmask(SIG_SETMASK, [] [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = 0 [pid 6182] <... rseq resumed>) = 0 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6178] <... clone3 resumed> => {parent_tid=[6182]}, 88) = 6182 [pid 6177] <... futex resumed>) = 0 [pid 6174] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] set_robust_list(0x7f41ad7909a0, 24 [pid 6181] memfd_create("syzkaller", 0 [pid 6180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6178] rt_sigprocmask(SIG_SETMASK, [] [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6174] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] <... memfd_create resumed>) = 3 [pid 6178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] rt_sigprocmask(SIG_SETMASK, [] [pid 6181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] memfd_create("syzkaller", 0 [pid 6181] <... mmap resumed>) = 0x7f41a5370000 [pid 6178] <... futex resumed>) = 0 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 6182] <... memfd_create resumed>) = 3 [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6174] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6174] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] mkdirat(AT_FDCWD, NULL, 0777) = -1 EFAULT (Bad address) [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME) = 4 [pid 6181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6179] <... write resumed>) = 1048576 [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] munmap(0x7f41a5370000, 138412032 [pid 6174] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6173] <... futex resumed>) = 0 [pid 6182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6180] <... write resumed>) = 1048576 [pid 6174] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] munmap(0x7f41a5370000, 138412032 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] <... futex resumed>) = 0 [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... munmap resumed>) = 0 [pid 6179] <... munmap resumed>) = 0 [pid 6181] <... write resumed>) = 1048576 [pid 6180] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6179] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6174] openat(AT_FDCWD, NULL, O_RDWR [pid 6173] <... futex resumed>) = 0 [pid 6181] munmap(0x7f41a5370000, 138412032 [pid 6174] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6181] <... munmap resumed>) = 0 [pid 6180] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6179] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... write resumed>) = 1048576 [pid 6181] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6180] close(3 [pid 6179] close(3 [pid 6174] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6182] munmap(0x7f41a5370000, 138412032 [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 6182] <... munmap resumed>) = 0 [pid 6181] close(3 [pid 6174] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6174] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6182] close(3 [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 6174] sendfile(-1, -1, NULL, 553647746 [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] <... futex resumed>) = 0 [pid 6173] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] memfd_create("syzkaller", 0 [pid 6173] <... futex resumed>) = 0 [pid 6174] <... memfd_create resumed>) = 5 [pid 6173] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6182] <... close resumed>) = 0 [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... close resumed>) = 0 [pid 6180] <... close resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6182] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6174] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6182] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6174] <... write resumed>) = 262144 [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] munmap(0x7f41a5370000, 138412032 [pid 6182] <... futex resumed>) = 0 [pid 6181] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6180] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6179] <... futex resumed>) = 0 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... futex resumed>) = 1 [pid 6174] <... munmap resumed>) = 0 [pid 6182] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6181] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6180] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6179] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6178] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 1 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] <... futex resumed>) = 1 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6174] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6182] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = 0 [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] close(5 [pid 6182] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6180] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... futex resumed>) = 0 [pid 6179] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6180] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6179] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 1 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6180] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] <... futex resumed>) = 0 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6175] <... futex resumed>) = 0 [pid 6174] <... close resumed>) = 0 [pid 6182] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6179] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6180] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] exit_group(0 [pid 6182] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6182] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 1 [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = ? [pid 6173] <... exit_group resumed>) = ? [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6180] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] mkdirat(AT_FDCWD, NULL, 0777 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6179] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6174] +++ exited with 0 +++ [pid 6173] +++ exited with 0 +++ [pid 6182] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6181] <... futex resumed>) = 1 [pid 6180] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6173, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] <... futex resumed>) = 0 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6181] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6180] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] <... futex resumed>) = 0 [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6179] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6182] <... openat resumed>) = 4 [pid 6181] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6180] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6179] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] mkdirat(AT_FDCWD, NULL, 0777 [pid 6178] <... futex resumed>) = 0 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6182] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6179] <... futex resumed>) = 1 [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] mkdirat(AT_FDCWD, NULL, 0777 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6182] <... futex resumed>) = 0 [pid 6181] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6180] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6182] openat(AT_FDCWD, NULL, O_RDWR [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6179] mkdirat(AT_FDCWD, NULL, 0777 [pid 6178] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6183 attached [pid 6182] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6181] <... futex resumed>) = 1 [pid 6180] <... openat resumed>) = 4 [pid 6179] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] set_robust_list(0x5555683327a0, 24 [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... set_robust_list resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 1 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6183] rt_sigprocmask(SIG_SETMASK, [] [pid 6182] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6181] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6180] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = 0 [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6183 [pid 6183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6182] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6181] <... openat resumed>) = 4 [pid 6180] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... futex resumed>) = 0 [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] <... prctl resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... openat resumed>) = 4 [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6183] setpgid(0, 0 [pid 6182] sendfile(-1, -1, NULL, 553647746 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] openat(AT_FDCWD, NULL, O_RDWR [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 0 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = 0 [pid 6183] <... setpgid resumed>) = 0 [pid 6182] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6179] <... futex resumed>) = 1 [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... futex resumed>) = 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... openat resumed>) = 3 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6180] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6183] write(3, "1000", 4 [pid 6182] memfd_create("syzkaller", 0 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6179] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6178] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] <... write resumed>) = 4 [pid 6182] <... memfd_create resumed>) = 5 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6178] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] close(3 [pid 6182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... close resumed>) = 0 [pid 6182] <... mmap resumed>) = 0x7f41a5370000 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] write(1, "executing program\n", 18 [pid 6181] openat(AT_FDCWD, NULL, O_RDWR [pid 6179] <... futex resumed>) = 1 [pid 6183] <... write resumed>) = 18 [pid 6182] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6181] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6180] sendfile(-1, -1, NULL, 553647746 executing program [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 0 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] <... futex resumed>) = 1 [pid 6182] <... write resumed>) = 262144 [pid 6183] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6182] munmap(0x7f41a5370000, 138412032 [pid 6181] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6180] <... futex resumed>) = 0 [pid 6179] openat(AT_FDCWD, NULL, O_RDWR [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6181] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6180] memfd_create("syzkaller", 0 [pid 6179] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = 0 [pid 6182] <... munmap resumed>) = 0 [pid 6183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6182] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... memfd_create resumed>) = 5 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6179] <... futex resumed>) = 1 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6182] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6181] sendfile(-1, -1, NULL, 553647746 [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... futex resumed>) = 0 [pid 6182] close(5 [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... mmap resumed>) = 0x7f41a5370000 [pid 6183] <... mmap resumed>) = 0x7f41ad770000 [pid 6181] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6175] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... mprotect resumed>) = 0 [pid 6177] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] memfd_create("syzkaller", 0 [pid 6179] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6182] <... close resumed>) = 0 [pid 6181] <... memfd_create resumed>) = 5 [pid 6177] <... futex resumed>) = 0 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6182] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6180] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6179] <... futex resumed>) = 0 [pid 6177] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6182] <... futex resumed>) = 1 [pid 6181] <... mmap resumed>) = 0x7f41a5370000 [pid 6179] sendfile(-1, -1, NULL, 553647746 [pid 6178] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6184 attached [pid 6182] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6180] <... write resumed>) = 262144 [pid 6179] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] exit_group(0 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6180] munmap(0x7f41a5370000, 138412032 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6184] <... rseq resumed>) = 0 [pid 6183] <... clone3 resumed> => {parent_tid=[6184]}, 88) = 6184 [pid 6182] <... futex resumed>) = ? [pid 6180] <... munmap resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6178] <... exit_group resumed>) = ? [pid 6175] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] set_robust_list(0x7f41ad7909a0, 24 [pid 6183] rt_sigprocmask(SIG_SETMASK, [] [pid 6181] <... write resumed>) = 262144 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6182] +++ exited with 0 +++ [pid 6180] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6179] memfd_create("syzkaller", 0 [pid 6178] +++ exited with 0 +++ [pid 6175] <... futex resumed>) = 0 [pid 6184] rt_sigprocmask(SIG_SETMASK, [] [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... memfd_create resumed>) = 5 [pid 6175] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6180] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6178, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6184] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6180] close(5 [pid 6179] <... mmap resumed>) = 0x7f41a5370000 [pid 6184] memfd_create("syzkaller", 0 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6181] munmap(0x7f41a5370000, 138412032 [pid 6180] <... close resumed>) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6184] <... memfd_create resumed>) = 3 [pid 6181] <... munmap resumed>) = 0 [pid 6180] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6181] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6180] <... futex resumed>) = 1 [pid 6176] <... futex resumed>) = 0 [pid 6184] <... mmap resumed>) = 0x7f41a5370000 [pid 6181] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6180] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] exit_group(0 [pid 6179] <... write resumed>) = 262144 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6179] munmap(0x7f41a5370000, 138412032 [pid 6181] close(5 [pid 6180] <... futex resumed>) = ? [pid 6176] <... exit_group resumed>) = ? [pid 6180] +++ exited with 0 +++ [pid 6179] <... munmap resumed>) = 0 [pid 6179] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6179] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6176] +++ exited with 0 +++ [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6179] close(5 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6181] <... close resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6176, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 6181] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6186 attached [pid 6184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6181] <... futex resumed>) = 1 [pid 6179] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6186] set_robust_list(0x5555683327a0, 24 [pid 6184] <... write resumed>) = 1048576 [pid 6181] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] <... futex resumed>) = 1 [pid 6177] exit_group(0 [pid 6175] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6186 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6184] munmap(0x7f41a5370000, 138412032 [pid 6181] <... futex resumed>) = ? [pid 6179] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... exit_group resumed>) = ? [pid 6175] exit_group(0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6186] rt_sigprocmask(SIG_SETMASK, [] [pid 6184] <... munmap resumed>) = 0 [pid 6181] +++ exited with 0 +++ [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6179] <... futex resumed>) = ? [pid 6175] <... exit_group resumed>) = ? [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6184] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6184] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6177] +++ exited with 0 +++ [pid 6186] setpgid(0, 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6186] <... setpgid resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] close(3 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] <... openat resumed>) = 3 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6177, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6186] write(3, "1000", 4 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6186] <... write resumed>) = 4 ci2-upstream-fs/strace-static-x86_64: Process 6187 attached [pid 6186] close(3 [pid 6184] <... close resumed>) = 0 [pid 6179] +++ exited with 0 +++ [pid 6175] +++ exited with 0 +++ [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6187 [pid 6187] set_robust_list(0x5555683327a0, 24 [pid 6186] <... close resumed>) = 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] write(1, "executing program\n", 18 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6187] rt_sigprocmask(SIG_SETMASK, [] [pid 6186] <... write resumed>) = 18 [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6186] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6184] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6184] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6187] <... prctl resumed>) = 0 [pid 6186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6187] setpgid(0, 0 [pid 6186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6187] <... setpgid resumed>) = 0 [pid 6186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6186] <... mmap resumed>) = 0x7f41ad770000 [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6188 attached [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6188] set_robust_list(0x5555683327a0, 24 [pid 6184] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] <... set_robust_list resumed>) = 0 [pid 6184] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6188] rt_sigprocmask(SIG_SETMASK, [] [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6188 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6186] <... mprotect resumed>) = 0 [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... futex resumed>) = 0 [pid 6188] <... prctl resumed>) = 0 [pid 6184] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] setpgid(0, 0) = 0 [pid 6186] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6184] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] <... openat resumed>) = 3 [pid 6186] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... openat resumed>) = 3 [pid 6186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6183] <... futex resumed>) = 0 [pid 6187] write(3, "1000", 4ci2-upstream-fs/strace-static-x86_64: Process 6189 attached [pid 6188] write(3, "1000", 4 [pid 6187] <... write resumed>) = 4 [pid 6184] <... futex resumed>) = 1 [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... write resumed>) = 4 [pid 6187] close(3 [pid 6184] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6183] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6190 attached [pid 6189] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6188] close(3 [pid 6187] <... close resumed>) = 0 [pid 6186] <... clone3 resumed> => {parent_tid=[6189]}, 88) = 6189 [pid 6184] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] set_robust_list(0x5555683327a0, 24 [pid 6189] <... rseq resumed>) = 0 [pid 6188] <... close resumed>) = 0 [pid 6187] write(1, "executing program\n", 18 [pid 6186] rt_sigprocmask(SIG_SETMASK, [] [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... set_robust_list resumed>) = 0 executing program [pid 6189] set_robust_list(0x7f41ad7909a0, 24 [pid 6188] write(1, "executing program\n", 18 [pid 6187] <... write resumed>) = 18 executing program [pid 6186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6184] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6190 [pid 6190] rt_sigprocmask(SIG_SETMASK, [] [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] <... write resumed>) = 18 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6189] rt_sigprocmask(SIG_SETMASK, [] [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6189] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6187] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6184] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6183] <... futex resumed>) = 0 [pid 6190] <... prctl resumed>) = 0 [pid 6189] memfd_create("syzkaller", 0 [pid 6188] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6187] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] setpgid(0, 0 [pid 6189] <... memfd_create resumed>) = 3 [pid 6188] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6190] <... setpgid resumed>) = 0 [pid 6189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6184] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] <... mmap resumed>) = 0x7f41a5370000 [pid 6188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6187] <... mmap resumed>) = 0x7f41ad770000 [pid 6188] <... mmap resumed>) = 0x7f41ad770000 [pid 6187] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6190] <... openat resumed>) = 3 [pid 6188] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6187] <... mprotect resumed>) = 0 [pid 6188] <... mprotect resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6187] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6188] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6187] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6190] write(3, "1000", 4 [pid 6187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6192 attached ci2-upstream-fs/strace-static-x86_64: Process 6191 attached [pid 6190] <... write resumed>) = 4 [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6190] close(3 [pid 6188] <... clone3 resumed> => {parent_tid=[6191]}, 88) = 6191 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6183] <... futex resumed>) = 0 [pid 6192] <... rseq resumed>) = 0 [pid 6191] <... rseq resumed>) = 0 [pid 6190] <... close resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [] [pid 6187] <... clone3 resumed> => {parent_tid=[6192]}, 88) = 6192 [pid 6184] mkdirat(AT_FDCWD, NULL, 0777 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] set_robust_list(0x7f41ad7909a0, 24 [pid 6188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6187] rt_sigprocmask(SIG_SETMASK, [] [pid 6184] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6192] set_robust_list(0x7f41ad7909a0, 24 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] write(1, "executing program\n", 18 [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... set_robust_list resumed>) = 0 executing program [pid 6191] rt_sigprocmask(SIG_SETMASK, [] [pid 6190] <... write resumed>) = 18 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6192] rt_sigprocmask(SIG_SETMASK, [] [pid 6191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6187] <... futex resumed>) = 0 [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6191] memfd_create("syzkaller", 0 [pid 6190] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... futex resumed>) = 0 [pid 6191] <... memfd_create resumed>) = 3 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6190] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6192] memfd_create("syzkaller", 0 [pid 6191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6192] <... memfd_create resumed>) = 3 [pid 6190] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6184] <... openat resumed>) = 4 [pid 6192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6189] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... mmap resumed>) = 0x7f41a5370000 [pid 6190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... mmap resumed>) = 0x7f41ad770000 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] <... futex resumed>) = 0 [pid 6184] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6184] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6190] <... mprotect resumed>) = 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6190] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6184] openat(AT_FDCWD, NULL, O_RDWR [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6184] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6183] <... futex resumed>) = 0 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6193 attached [pid 6184] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6183] <... futex resumed>) = 0 [pid 6193] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6190] <... clone3 resumed> => {parent_tid=[6193]}, 88) = 6193 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... rseq resumed>) = 0 [pid 6192] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6184] <... futex resumed>) = 0 [pid 6193] set_robust_list(0x7f41ad7909a0, 24 [pid 6190] rt_sigprocmask(SIG_SETMASK, [] [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... set_robust_list resumed>) = 0 [pid 6190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = 0 [pid 6193] rt_sigprocmask(SIG_SETMASK, [] [pid 6190] <... futex resumed>) = 0 [pid 6184] sendfile(-1, -1, NULL, 553647746 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6184] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] memfd_create("syzkaller", 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... memfd_create resumed>) = 3 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6183] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] memfd_create("syzkaller", 0 [pid 6183] <... futex resumed>) = 0 [pid 6193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6184] <... memfd_create resumed>) = 5 [pid 6183] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6193] <... mmap resumed>) = 0x7f41a5370000 [pid 6184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6189] <... write resumed>) = 1048576 [pid 6184] <... mmap resumed>) = 0x7f41a5370000 [pid 6189] munmap(0x7f41a5370000, 138412032 [pid 6191] <... write resumed>) = 1048576 [pid 6189] <... munmap resumed>) = 0 [pid 6189] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6191] munmap(0x7f41a5370000, 138412032) = 0 [pid 6191] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6192] <... write resumed>) = 1048576 [pid 6189] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6184] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6192] munmap(0x7f41a5370000, 138412032 [pid 6191] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6189] close(3 [pid 6192] <... munmap resumed>) = 0 [pid 6191] close(3 [pid 6192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6192] close(3 [pid 6184] <... write resumed>) = 262144 [pid 6184] munmap(0x7f41a5370000, 138412032) = 0 [pid 6184] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6193] <... write resumed>) = 1048576 [pid 6192] <... close resumed>) = 0 [pid 6191] <... close resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6184] close(5 [pid 6193] munmap(0x7f41a5370000, 138412032 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... munmap resumed>) = 0 [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6193] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... close resumed>) = 0 [pid 6193] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6184] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6191] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... futex resumed>) = 0 [pid 6193] close(3 [pid 6192] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6191] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6189] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6184] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] exit_group(0 [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = ? [pid 6183] <... exit_group resumed>) = ? [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6186] <... futex resumed>) = 0 [pid 6189] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6191] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6187] <... futex resumed>) = 0 [pid 6192] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6191] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6189] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] <... futex resumed>) = 0 [pid 6184] +++ exited with 0 +++ [pid 6183] +++ exited with 0 +++ [pid 6193] <... close resumed>) = 0 [pid 6192] <... futex resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6189] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6183, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6192] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6193] <... futex resumed>) = 1 [pid 6192] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] <... futex resumed>) = 0 [pid 6191] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... futex resumed>) = 0 [pid 6189] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6192] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] <... futex resumed>) = 0 [pid 6193] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6192] <... futex resumed>) = 0 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6190] <... futex resumed>) = 0 [pid 6189] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6191] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6191] <... futex resumed>) = 1 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... futex resumed>) = 0 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6188] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6193] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6192] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6189] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = 0 [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 1 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6193] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = 1 [pid 6191] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6190] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6193] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6192] mkdirat(AT_FDCWD, NULL, 0777 [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] mkdirat(AT_FDCWD, NULL, 0777 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6193] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] mkdirat(AT_FDCWD, NULL, 0777 [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6187] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 0 [pid 6189] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6194 attached [pid 6192] <... openat resumed>) = 4 [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] set_robust_list(0x5555683327a0, 24 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6194] rt_sigprocmask(SIG_SETMASK, [] [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 1 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6194 [pid 6194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6193] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... openat resumed>) = 4 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6193] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... openat resumed>) = 4 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6194] <... prctl resumed>) = 0 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6191] <... futex resumed>) = 1 [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6194] setpgid(0, 0 [pid 6193] <... futex resumed>) = 1 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... futex resumed>) = 0 [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... setpgid resumed>) = 0 [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6194] <... openat resumed>) = 3 [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6190] <... futex resumed>) = 0 [pid 6189] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] write(3, "1000", 4 [pid 6193] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6194] <... write resumed>) = 4 [pid 6192] openat(AT_FDCWD, NULL, O_RDWR [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] close(3 [pid 6192] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6191] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] <... close resumed>) = 0 [pid 6193] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... futex resumed>) = 0 [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] write(1, "executing program\n", 18 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = 0 executing program [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... write resumed>) = 18 [pid 6193] <... futex resumed>) = 1 [pid 6192] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6191] openat(AT_FDCWD, NULL, O_RDWR [pid 6190] <... futex resumed>) = 0 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6191] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 0 [pid 6189] openat(AT_FDCWD, NULL, O_RDWR [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] <... futex resumed>) = 1 [pid 6194] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6193] mkdirat(AT_FDCWD, NULL, 0777 [pid 6192] <... futex resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6193] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6192] sendfile(-1, -1, NULL, 553647746 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6193] <... futex resumed>) = 1 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6190] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 0 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] <... futex resumed>) = 0 [pid 6191] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6187] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = 0 [pid 6194] <... mmap resumed>) = 0x7f41ad770000 [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] memfd_create("syzkaller", 0 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 0 [pid 6189] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6193] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6192] <... memfd_create resumed>) = 5 [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... mprotect resumed>) = 0 [pid 6193] <... openat resumed>) = 4 [pid 6192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... futex resumed>) = 0 [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... mmap resumed>) = 0x7f41a5370000 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] sendfile(-1, -1, NULL, 553647746 [pid 6188] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6194] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6193] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = 0 [pid 6189] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] sendfile(-1, -1, NULL, 553647746 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [pid 6193] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6195 attached [pid 6193] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6192] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6191] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6194] <... clone3 resumed> => {parent_tid=[6195]}, 88) = 6195 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 6195] <... rseq resumed>) = 0 [pid 6194] rt_sigprocmask(SIG_SETMASK, [] [pid 6193] <... futex resumed>) = 1 [pid 6192] <... write resumed>) = 262144 [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] set_robust_list(0x7f41ad7909a0, 24 [pid 6194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6193] openat(AT_FDCWD, NULL, O_RDWR [pid 6190] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = 0 [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6192] munmap(0x7f41a5370000, 138412032 [pid 6191] memfd_create("syzkaller", 0 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] memfd_create("syzkaller", 0 [pid 6188] <... futex resumed>) = 0 [pid 6186] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6195] rt_sigprocmask(SIG_SETMASK, [] [pid 6194] <... futex resumed>) = 0 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... munmap resumed>) = 0 [pid 6191] <... memfd_create resumed>) = 5 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... memfd_create resumed>) = 5 [pid 6188] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6195] memfd_create("syzkaller", 0 [pid 6193] <... futex resumed>) = 0 [pid 6191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6195] <... memfd_create resumed>) = 3 [pid 6193] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6192] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6191] <... mmap resumed>) = 0x7f41a5370000 [pid 6190] <... futex resumed>) = 0 [pid 6189] <... mmap resumed>) = 0x7f41a5370000 [pid 6195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6193] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6192] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] <... mmap resumed>) = 0x7f41a5370000 [pid 6192] close(5 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6193] sendfile(-1, -1, NULL, 553647746 [pid 6191] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6193] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... close resumed>) = 0 [pid 6189] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... futex resumed>) = 0 [pid 6190] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] memfd_create("syzkaller", 0 [pid 6190] <... futex resumed>) = 0 [pid 6193] <... memfd_create resumed>) = 5 [pid 6192] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... write resumed>) = 262144 [pid 6190] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6189] <... write resumed>) = 262144 [pid 6195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6192] <... futex resumed>) = 1 [pid 6191] munmap(0x7f41a5370000, 138412032 [pid 6187] <... futex resumed>) = 0 [pid 6193] <... mmap resumed>) = 0x7f41a5370000 [pid 6192] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] <... munmap resumed>) = 0 [pid 6187] exit_group(0 [pid 6192] <... futex resumed>) = ? [pid 6189] munmap(0x7f41a5370000, 138412032 [pid 6187] <... exit_group resumed>) = ? [pid 6192] +++ exited with 0 +++ [pid 6191] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6189] <... munmap resumed>) = 0 [pid 6193] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6191] close(5 [pid 6189] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6187] +++ exited with 0 +++ [pid 6189] close(5 [pid 6191] <... close resumed>) = 0 [pid 6193] <... write resumed>) = 262144 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6187, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 6193] munmap(0x7f41a5370000, 138412032 [pid 6191] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... close resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6189] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 6191] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] exit_group(0 [pid 6193] <... munmap resumed>) = 0 [pid 6186] exit_group(0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6186] <... exit_group resumed>) = ? [pid 6189] <... futex resumed>) = ? [pid 6193] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6191] <... futex resumed>) = ? [pid 6188] <... exit_group resumed>) = ? [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6193] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6193] close(5 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6189] +++ exited with 0 +++ [pid 6186] +++ exited with 0 +++ [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6186, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6191] +++ exited with 0 +++ [pid 6188] +++ exited with 0 +++ [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6196 attached [pid 6193] <... close resumed>) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6193] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] <... restart_syscall resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6196 [pid 6190] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6190] exit_group(0 [pid 6196] set_robust_list(0x5555683327a0, 24) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6196] rt_sigprocmask(SIG_SETMASK, [] [pid 6195] <... write resumed>) = 1048576 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6190] <... exit_group resumed>) = ? [pid 6193] <... futex resumed>) = ? [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6196] setpgid(0, 0 [pid 6195] munmap(0x7f41a5370000, 138412032 [pid 6193] +++ exited with 0 +++ [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6196] <... setpgid resumed>) = 0 [pid 6195] <... munmap resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6197 ci2-upstream-fs/strace-static-x86_64: Process 6197 attached [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6190] +++ exited with 0 +++ [pid 6195] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6195] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6190, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6197] set_robust_list(0x5555683327a0, 24 [pid 6196] <... openat resumed>) = 3 [pid 6195] close(3 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6198 attached [pid 6197] <... set_robust_list resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6196] write(3, "1000", 4 [pid 6198] set_robust_list(0x5555683327a0, 24) = 0 [pid 6196] <... write resumed>) = 4 [pid 6198] rt_sigprocmask(SIG_SETMASK, [] [pid 6197] rt_sigprocmask(SIG_SETMASK, [] [pid 6196] close(3 [pid 6198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6196] <... close resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6198 [pid 6198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5609] <... restart_syscall resumed>) = 0 [pid 6198] <... prctl resumed>) = 0 [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6196] write(1, "executing program\n", 18 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6197] <... prctl resumed>) = 0 executing program [pid 6196] <... write resumed>) = 18 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6198] setpgid(0, 0 [pid 6197] setpgid(0, 0 [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... setpgid resumed>) = 0 [pid 6197] <... setpgid resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6196] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6195] <... close resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6198] <... openat resumed>) = 3 [pid 6196] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6198] write(3, "1000", 4 [pid 6197] <... openat resumed>) = 3 [pid 6196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6198] <... write resumed>) = 4 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6198] close(3 [pid 6197] write(3, "1000", 4 [pid 6196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6198] <... close resumed>) = 0 [pid 6197] <... write resumed>) = 4 [pid 6196] <... mmap resumed>) = 0x7f41ad770000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6198] write(1, "executing program\n", 18 [pid 6197] close(3 [pid 6196] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE executing program [pid 6195] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] <... write resumed>) = 18 [pid 6197] <... close resumed>) = 0 [pid 6196] <... mprotect resumed>) = 0 [pid 6195] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6197] write(1, "executing program\n", 18 [pid 6196] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6197] <... write resumed>) = 18 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = 0 [pid 6196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6195] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6195] <... openat resumed>) = -1 EFAULT (Bad address) ci2-upstream-fs/strace-static-x86_64: Process 6199 attached [pid 6198] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6197] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6196] <... clone3 resumed> => {parent_tid=[6199]}, 88) = 6199 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6200 attached [pid 6199] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6198] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6196] rt_sigprocmask(SIG_SETMASK, [] [pid 6195] <... futex resumed>) = 0 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... rseq resumed>) = 0 [pid 6198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] set_robust_list(0x5555683327a0, 24 [pid 6194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6200 [pid 6200] <... set_robust_list resumed>) = 0 [pid 6199] set_robust_list(0x7f41ad7909a0, 24 [pid 6198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6200] rt_sigprocmask(SIG_SETMASK, [] [pid 6199] <... set_robust_list resumed>) = 0 [pid 6198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6197] <... mmap resumed>) = 0x7f41ad770000 [pid 6196] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = 1 [pid 6199] rt_sigprocmask(SIG_SETMASK, [] [pid 6198] <... mmap resumed>) = 0x7f41ad770000 [pid 6197] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6198] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6197] <... mprotect resumed>) = 0 [pid 6195] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] memfd_create("syzkaller", 0 [pid 6198] <... mprotect resumed>) = 0 [pid 6197] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6195] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6197] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6200] <... prctl resumed>) = 0 [pid 6199] <... memfd_create resumed>) = 3 [pid 6198] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] setpgid(0, 0 [pid 6199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6195] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6201 attached [pid 6200] <... setpgid resumed>) = 0 [pid 6197] <... clone3 resumed> => {parent_tid=[6201]}, 88) = 6201 [pid 6195] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6197] rt_sigprocmask(SIG_SETMASK, [] [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6202 attached [pid 6201] <... rseq resumed>) = 0 [pid 6199] <... mmap resumed>) = 0x7f41a5370000 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6201] set_robust_list(0x7f41ad7909a0, 24 [pid 6197] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6202] <... rseq resumed>) = 0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6195] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] set_robust_list(0x7f41ad7909a0, 24 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] <... openat resumed>) = 3 [pid 6198] <... clone3 resumed> => {parent_tid=[6202]}, 88) = 6202 [pid 6201] rt_sigprocmask(SIG_SETMASK, [] [pid 6200] write(3, "1000", 4 [pid 6198] rt_sigprocmask(SIG_SETMASK, [] [pid 6201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6200] <... write resumed>) = 4 [pid 6198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6201] memfd_create("syzkaller", 0 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6202] rt_sigprocmask(SIG_SETMASK, [] [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... memfd_create resumed>) = 3 [pid 6202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6200] close(3 [pid 6198] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6202] memfd_create("syzkaller", 0 [pid 6201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6195] mkdirat(AT_FDCWD, NULL, 0777 [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... memfd_create resumed>) = 3 [pid 6195] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6194] <... futex resumed>) = 0 [pid 6202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... mmap resumed>) = 0x7f41a5370000 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... mmap resumed>) = 0x7f41a5370000 [pid 6200] <... close resumed>) = 0 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME) = 4 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] write(1, "executing program\n", 18 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 executing program [pid 6200] <... write resumed>) = 18 [pid 6195] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6194] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6200] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6195] openat(AT_FDCWD, NULL, O_RDWR [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6195] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6200] <... mmap resumed>) = 0x7f41ad770000 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6200] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6195] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6200] <... mprotect resumed>) = 0 [pid 6195] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6195] sendfile(-1, -1, NULL, 553647746 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6195] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... write resumed>) = 1048576 [pid 6200] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6195] memfd_create("syzkaller", 0 [pid 6194] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6203 attached [pid 6202] munmap(0x7f41a5370000, 138412032 [pid 6195] <... memfd_create resumed>) = 5 [pid 6194] <... futex resumed>) = 0 [pid 6202] <... munmap resumed>) = 0 [pid 6194] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6200] <... clone3 resumed> => {parent_tid=[6203]}, 88) = 6203 [pid 6203] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6202] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6203] <... rseq resumed>) = 0 [pid 6202] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6201] <... write resumed>) = 1048576 [pid 6200] rt_sigprocmask(SIG_SETMASK, [] [pid 6195] <... mmap resumed>) = 0x7f41a5370000 [pid 6203] set_robust_list(0x7f41ad7909a0, 24 [pid 6202] close(3 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] rt_sigprocmask(SIG_SETMASK, [] [pid 6200] <... futex resumed>) = 0 [pid 6203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6203] memfd_create("syzkaller", 0 [pid 6201] munmap(0x7f41a5370000, 138412032 [pid 6203] <... memfd_create resumed>) = 3 [pid 6201] <... munmap resumed>) = 0 [pid 6199] <... write resumed>) = 1048576 [pid 6203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6199] munmap(0x7f41a5370000, 138412032 [pid 6195] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6203] <... mmap resumed>) = 0x7f41a5370000 [pid 6201] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6199] <... munmap resumed>) = 0 [pid 6199] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6201] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6199] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6201] close(3 [pid 6195] <... write resumed>) = 262144 [pid 6202] <... close resumed>) = 0 [pid 6199] close(3 [pid 6195] munmap(0x7f41a5370000, 138412032) = 0 [pid 6203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6202] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6195] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] close(5 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = -1 EISDIR (Is a directory) [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... close resumed>) = 0 [pid 6202] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... futex resumed>) = 0 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6202] <... futex resumed>) = 1 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6202] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6195] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] exit_group(0 [pid 6202] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = 0 [pid 6195] <... futex resumed>) = ? [pid 6194] <... exit_group resumed>) = ? [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] +++ exited with 0 +++ [pid 6202] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6202] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6201] <... futex resumed>) = 1 [pid 6199] <... close resumed>) = 0 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = 0 [pid 6202] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] <... futex resumed>) = 0 [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 0 [pid 6201] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = 0 [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] +++ exited with 0 +++ [pid 6201] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6199] <... futex resumed>) = 1 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 6202] <... futex resumed>) = 0 [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6203] <... write resumed>) = 1048576 [pid 6202] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6201] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 0 [pid 6202] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6201] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6199] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6197] <... futex resumed>) = 0 [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6199] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5602] <... restart_syscall resumed>) = 0 [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] munmap(0x7f41a5370000, 138412032 [pid 6201] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... munmap resumed>) = 0 [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6203] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6202] mkdirat(AT_FDCWD, NULL, 0777 [pid 6201] <... futex resumed>) = 0 [pid 6199] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = 1 [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] close(3 [pid 6202] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6201] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6199] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6198] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6201] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = 1 [pid 6199] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6197] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6202] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6201] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6202] <... openat resumed>) = 4 [pid 6198] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = 0 [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... close resumed>) = 0 [pid 6202] <... futex resumed>) = 0 [pid 6201] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6199] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6204 attached [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 0 [pid 6204] set_robust_list(0x5555683327a0, 24 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] <... futex resumed>) = 0 [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6204 [pid 6204] <... set_robust_list resumed>) = 0 [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6201] <... futex resumed>) = 1 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] rt_sigprocmask(SIG_SETMASK, [] [pid 6203] <... futex resumed>) = 1 [pid 6202] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6201] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6200] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6203] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] <... futex resumed>) = 0 [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] openat(AT_FDCWD, NULL, O_RDWR [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... futex resumed>) = 1 [pid 6202] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6200] <... futex resumed>) = 0 [pid 6199] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6204] <... prctl resumed>) = 0 [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = 0 [pid 6204] setpgid(0, 0 [pid 6203] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... setpgid resumed>) = 0 [pid 6203] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... futex resumed>) = 0 [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6201] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 1 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6204] <... openat resumed>) = 3 [pid 6203] <... futex resumed>) = 1 [pid 6202] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6201] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] <... futex resumed>) = 0 [pid 6199] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] write(3, "1000", 4 [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6204] <... write resumed>) = 4 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... futex resumed>) = 1 [pid 6201] mkdirat(AT_FDCWD, NULL, 0777 [pid 6200] <... futex resumed>) = 0 [pid 6199] mkdirat(AT_FDCWD, NULL, 0777 [pid 6198] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] close(3 [pid 6203] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... close resumed>) = 0 [pid 6203] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... futex resumed>) = 0 [pid 6204] write(1, "executing program\n", 18 [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] sendfile(-1, -1, NULL, 553647746 [pid 6201] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 1 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 executing program [pid 6204] <... write resumed>) = 18 [pid 6203] <... futex resumed>) = 1 [pid 6202] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... futex resumed>) = 1 [pid 6201] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6200] <... futex resumed>) = 0 [pid 6199] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6198] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... futex resumed>) = 0 [pid 6203] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... openat resumed>) = 4 [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... openat resumed>) = 4 [pid 6198] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6203] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... futex resumed>) = 0 [pid 6204] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] memfd_create("syzkaller", 0 [pid 6198] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6201] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6201] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6203] <... futex resumed>) = 1 [pid 6202] <... memfd_create resumed>) = 5 [pid 6200] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... mmap resumed>) = 0x7f41ad770000 [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 1 [pid 6204] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... mmap resumed>) = 0x7f41a5370000 [pid 6201] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6200] <... futex resumed>) = 0 [pid 6199] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... mprotect resumed>) = 0 [pid 6203] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6202] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6201] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6204] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6203] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6201] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 1 [pid 6204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6201] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULLci2-upstream-fs/strace-static-x86_64: Process 6205 attached [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... write resumed>) = 262144 [pid 6199] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6205] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6204] <... clone3 resumed> => {parent_tid=[6205]}, 88) = 6205 [pid 6203] <... futex resumed>) = 1 [pid 6202] munmap(0x7f41a5370000, 138412032 [pid 6200] <... futex resumed>) = 0 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... rseq resumed>) = 0 [pid 6204] rt_sigprocmask(SIG_SETMASK, [] [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... munmap resumed>) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 1 [pid 6205] set_robust_list(0x7f41ad7909a0, 24 [pid 6204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] openat(AT_FDCWD, NULL, O_RDWR [pid 6200] <... futex resumed>) = 0 [pid 6199] openat(AT_FDCWD, NULL, O_RDWR [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... set_robust_list resumed>) = 0 [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] mkdirat(AT_FDCWD, NULL, 0777 [pid 6202] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6201] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6205] rt_sigprocmask(SIG_SETMASK, [] [pid 6204] <... futex resumed>) = 0 [pid 6203] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6202] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] close(5 [pid 6199] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6205] memfd_create("syzkaller", 0 [pid 6203] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6199] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... memfd_create resumed>) = 3 [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... close resumed>) = 0 [pid 6201] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6200] <... futex resumed>) = 0 [pid 6199] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... mmap resumed>) = 0x7f41a5370000 [pid 6203] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... futex resumed>) = 0 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] sendfile(-1, -1, NULL, 553647746 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 1 [pid 6198] <... futex resumed>) = 0 [pid 6203] <... openat resumed>) = 4 [pid 6202] <... futex resumed>) = 1 [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] sendfile(-1, -1, NULL, 553647746 [pid 6198] exit_group(0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 1 [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = 0 [pid 6199] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] <... futex resumed>) = 0 [pid 6203] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... exit_group resumed>) = ? [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6203] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6202] <... futex resumed>) = ? [pid 6201] memfd_create("syzkaller", 0 [pid 6200] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... memfd_create resumed>) = 5 [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] memfd_create("syzkaller", 0 [pid 6197] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6196] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] <... futex resumed>) = 0 [pid 6199] <... memfd_create resumed>) = 5 [pid 6203] <... futex resumed>) = 0 [pid 6201] <... mmap resumed>) = 0x7f41a5370000 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6203] openat(AT_FDCWD, NULL, O_RDWR [pid 6202] +++ exited with 0 +++ [pid 6200] <... futex resumed>) = 0 [pid 6199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6198] +++ exited with 0 +++ [pid 6203] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6199] <... mmap resumed>) = 0x7f41a5370000 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6198, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6203] <... futex resumed>) = 0 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6203] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6201] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6200] <... futex resumed>) = 0 [pid 6203] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... futex resumed>) = 0 [pid 6203] sendfile(-1, -1, NULL, 553647746) = -1 EBADF (Bad file descriptor) [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... futex resumed>) = 0 [pid 6200] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] memfd_create("syzkaller", 0 [pid 6200] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6203] <... memfd_create resumed>) = 5 [pid 6200] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6203] <... mmap resumed>) = 0x7f41a5370000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6201] <... write resumed>) = 262144 [pid 6199] <... write resumed>) = 262144 [pid 6201] munmap(0x7f41a5370000, 138412032 [pid 6199] munmap(0x7f41a5370000, 138412032 [pid 6201] <... munmap resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6199] <... munmap resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6201] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6199] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6201] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6199] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6201] close(5ci2-upstream-fs/strace-static-x86_64: Process 6206 attached [pid 6203] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6199] close(5 [pid 6206] set_robust_list(0x5555683327a0, 24 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6206 [pid 6206] <... set_robust_list resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6206] rt_sigprocmask(SIG_SETMASK, [] [pid 6205] <... write resumed>) = 1048576 [pid 6201] <... close resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6199] <... close resumed>) = 0 [pid 6206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6203] <... write resumed>) = 262144 [pid 6201] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] <... futex resumed>) = 1 [pid 6199] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... futex resumed>) = 0 [pid 6196] exit_group(0 [pid 6201] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... prctl resumed>) = 0 [pid 6205] munmap(0x7f41a5370000, 138412032 [pid 6203] munmap(0x7f41a5370000, 138412032 [pid 6206] setpgid(0, 0 [pid 6199] <... futex resumed>) = ? [pid 6197] exit_group(0 [pid 6196] <... exit_group resumed>) = ? [pid 6206] <... setpgid resumed>) = 0 [pid 6205] <... munmap resumed>) = 0 [pid 6203] <... munmap resumed>) = 0 [pid 6197] <... exit_group resumed>) = ? [pid 6201] <... futex resumed>) = ? [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6205] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6203] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6205] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6203] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6201] +++ exited with 0 +++ [pid 6206] write(3, "1000", 4 [pid 6205] close(3 [pid 6203] close(5 [pid 6206] <... write resumed>) = 4 [pid 6206] close(3) = 0 [pid 6206] write(1, "executing program\n", 18) = 18 executing program [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] +++ exited with 0 +++ [pid 6197] +++ exited with 0 +++ [pid 6196] +++ exited with 0 +++ [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6196, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6197, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6206] <... futex resumed>) = 0 [pid 6203] <... close resumed>) = 0 [pid 5605] <... restart_syscall resumed>) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6206] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6203] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6203] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] <... close resumed>) = 0 [pid 6203] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] exit_group(0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6206] <... mmap resumed>) = 0x7f41ad770000 [pid 6206] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6203] <... futex resumed>) = ? [pid 6200] <... exit_group resumed>) = ? [pid 6206] <... mprotect resumed>) = 0 [pid 6203] +++ exited with 0 +++ [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6206] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6206] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6205] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] +++ exited with 0 +++ [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000ci2-upstream-fs/strace-static-x86_64: Process 6207 attached ) = -1 EISDIR (Is a directory) [pid 6207] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... rseq resumed>) = 0 [pid 6205] <... futex resumed>) = 0 [pid 6207] set_robust_list(0x7f41ad7909a0, 24 [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] <... set_robust_list resumed>) = 0 [pid 6207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6207] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] <... futex resumed>) = 1 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6200, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6208 attached [pid 6206] <... clone3 resumed> => {parent_tid=[6207]}, 88) = 6207 [pid 6205] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6209 attached [pid 6208] set_robust_list(0x5555683327a0, 24 [pid 6206] rt_sigprocmask(SIG_SETMASK, [] [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6208 [pid 6209] set_robust_list(0x5555683327a0, 24 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6205] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6209 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6209] <... set_robust_list resumed>) = 0 [pid 6208] rt_sigprocmask(SIG_SETMASK, [] [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6209] rt_sigprocmask(SIG_SETMASK, [] [pid 6208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6207] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = 1 [pid 6205] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6207] memfd_create("syzkaller", 0 [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6208] <... prctl resumed>) = 0 [pid 6207] <... memfd_create resumed>) = 3 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6209] <... prctl resumed>) = 0 [pid 6208] setpgid(0, 0 [pid 6207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6205] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... mmap resumed>) = 0x7f41a5370000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6210 attached [pid 6209] setpgid(0, 0 [pid 6208] <... setpgid resumed>) = 0 [pid 6205] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... setpgid resumed>) = 0 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] set_robust_list(0x5555683327a0, 24 [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6204] <... futex resumed>) = 0 [pid 6205] <... futex resumed>) = 1 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6210 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] <... openat resumed>) = 3 [pid 6208] <... openat resumed>) = 3 [pid 6205] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6209] write(3, "1000", 4 [pid 6208] write(3, "1000", 4 [pid 6205] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... futex resumed>) = 0 [pid 6210] rt_sigprocmask(SIG_SETMASK, [] [pid 6209] <... write resumed>) = 4 [pid 6208] <... write resumed>) = 4 [pid 6207] <... write resumed>) = 1048576 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6209] close(3 [pid 6208] close(3 [pid 6207] munmap(0x7f41a5370000, 138412032 [pid 6205] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] <... close resumed>) = 0 [pid 6208] <... close resumed>) = 0 [pid 6207] <... munmap resumed>) = 0 [pid 6205] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6207] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6210] <... prctl resumed>) = 0 [pid 6209] write(1, "executing program\n", 18 [pid 6208] write(1, "executing program\n", 18 [pid 6205] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 6210] setpgid(0, 0 [pid 6209] <... write resumed>) = 18 [pid 6208] <... write resumed>) = 18 [pid 6210] <... setpgid resumed>) = 0 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] close(3 [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6208] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6205] <... futex resumed>) = 1 [pid 6209] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6208] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] <... futex resumed>) = 0 [pid 6210] <... openat resumed>) = 3 [pid 6209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] write(3, "1000", 4 [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6205] mkdirat(AT_FDCWD, NULL, 0777 [pid 6204] <... futex resumed>) = 0 [pid 6210] <... write resumed>) = 4 [pid 6208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... mmap resumed>) = 0x7f41ad770000 [pid 6210] close(3 [pid 6209] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6208] <... mmap resumed>) = 0x7f41ad770000 [pid 6210] <... close resumed>) = 0 [pid 6208] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] write(1, "executing program\n", 18 [pid 6209] <... mprotect resumed>) = 0 [pid 6208] <... mprotect resumed>) = 0 [pid 6207] <... close resumed>) = 0 executing program [pid 6210] <... write resumed>) = 18 [pid 6209] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6208] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6205] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6208] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6212 attached ci2-upstream-fs/strace-static-x86_64: Process 6211 attached [pid 6210] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6207] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6205] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6211] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6209] <... clone3 resumed> => {parent_tid=[6211]}, 88) = 6211 [pid 6208] <... clone3 resumed> => {parent_tid=[6212]}, 88) = 6212 [pid 6207] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... openat resumed>) = 4 [pid 6212] <... rseq resumed>) = 0 [pid 6211] <... rseq resumed>) = 0 [pid 6210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6209] rt_sigprocmask(SIG_SETMASK, [] [pid 6208] rt_sigprocmask(SIG_SETMASK, [] [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] set_robust_list(0x7f41ad7909a0, 24 [pid 6211] set_robust_list(0x7f41ad7909a0, 24 [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6207] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6212] <... set_robust_list resumed>) = 0 [pid 6211] <... set_robust_list resumed>) = 0 [pid 6210] <... mmap resumed>) = 0x7f41ad770000 [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] rt_sigprocmask(SIG_SETMASK, [] [pid 6211] rt_sigprocmask(SIG_SETMASK, [] [pid 6210] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 6212] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6210] <... mprotect resumed>) = 0 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6207] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6205] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] memfd_create("syzkaller", 0 [pid 6211] memfd_create("syzkaller", 0 [pid 6207] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6207] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6206] <... futex resumed>) = 0 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... memfd_create resumed>) = 3 [pid 6211] <... memfd_create resumed>) = 3 [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6207] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6207] <... futex resumed>) = 0 [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 6213 attached [pid 6212] <... mmap resumed>) = 0x7f41a5370000 [pid 6207] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6206] <... futex resumed>) = 0 [pid 6205] openat(AT_FDCWD, NULL, O_RDWR [pid 6204] <... futex resumed>) = 0 [pid 6213] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6211] <... mmap resumed>) = 0x7f41a5370000 [pid 6207] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] <... rseq resumed>) = 0 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] set_robust_list(0x7f41ad7909a0, 24 [pid 6210] <... clone3 resumed> => {parent_tid=[6213]}, 88) = 6213 [pid 6207] <... futex resumed>) = 0 [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = 0 [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... set_robust_list resumed>) = 0 [pid 6207] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6206] <... futex resumed>) = 0 [pid 6205] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6204] <... futex resumed>) = 0 [pid 6213] rt_sigprocmask(SIG_SETMASK, [] [pid 6210] rt_sigprocmask(SIG_SETMASK, [] [pid 6207] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... futex resumed>) = 0 [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = 0 [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6207] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6206] <... futex resumed>) = 0 [pid 6205] sendfile(-1, -1, NULL, 553647746 [pid 6204] <... futex resumed>) = 0 [pid 6213] memfd_create("syzkaller", 0 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... memfd_create resumed>) = 3 [pid 6213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6205] memfd_create("syzkaller", 0 [pid 6204] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... mmap resumed>) = 0x7f41a5370000 [pid 6207] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6205] <... memfd_create resumed>) = 5 [pid 6204] <... futex resumed>) = 0 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6207] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... futex resumed>) = 0 [pid 6205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6204] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... mmap resumed>) = 0x7f41a5370000 [pid 6207] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = 1 [pid 6212] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6207] mkdirat(AT_FDCWD, NULL, 0777 [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6207] <... futex resumed>) = 1 [pid 6207] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... futex resumed>) = 0 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6206] <... futex resumed>) = 0 [pid 6213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6207] <... openat resumed>) = 4 [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... write resumed>) = 262144 [pid 6207] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6207] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6206] <... futex resumed>) = 0 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... futex resumed>) = 0 [pid 6207] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] openat(AT_FDCWD, NULL, O_RDWR [pid 6206] <... futex resumed>) = 0 [pid 6207] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] munmap(0x7f41a5370000, 138412032 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] <... munmap resumed>) = 0 [pid 6207] <... futex resumed>) = 0 [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6206] <... futex resumed>) = 0 [pid 6205] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6207] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] <... futex resumed>) = 0 [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] close(5 [pid 6207] sendfile(-1, -1, NULL, 553647746 [pid 6206] <... futex resumed>) = 0 [pid 6207] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6207] memfd_create("syzkaller", 0 [pid 6206] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6207] <... memfd_create resumed>) = 5 [pid 6206] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6205] <... close resumed>) = 0 [pid 6207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6205] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... write resumed>) = 1048576 [pid 6205] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6205] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] exit_group(0 [pid 6205] <... futex resumed>) = ? [pid 6204] <... exit_group resumed>) = ? [pid 6205] +++ exited with 0 +++ [pid 6207] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6212] munmap(0x7f41a5370000, 138412032 [pid 6211] <... write resumed>) = 1048576 [pid 6212] <... munmap resumed>) = 0 [pid 6204] +++ exited with 0 +++ [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6204, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6211] munmap(0x7f41a5370000, 138412032 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6213] <... write resumed>) = 1048576 [pid 6211] <... munmap resumed>) = 0 [pid 6213] munmap(0x7f41a5370000, 138412032 [pid 6212] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6211] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6207] <... write resumed>) = 262144 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6213] <... munmap resumed>) = 0 [pid 6212] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6211] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6207] munmap(0x7f41a5370000, 138412032) = 0 [pid 6211] close(3 [pid 6213] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6212] close(3 [pid 6213] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6207] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6213] close(3 [pid 6207] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6207] close(5 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6207] <... close resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6214 attached [pid 6213] <... close resumed>) = 0 [pid 6212] <... close resumed>) = 0 [pid 6211] <... close resumed>) = 0 [pid 6207] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] set_robust_list(0x5555683327a0, 24) = 0 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6214 [pid 6214] rt_sigprocmask(SIG_SETMASK, [] [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6207] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] exit_group(0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... futex resumed>) = ? [pid 6206] <... exit_group resumed>) = ? [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6207] +++ exited with 0 +++ [pid 6214] <... prctl resumed>) = 0 [pid 6213] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6212] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] +++ exited with 0 +++ [pid 6214] setpgid(0, 0 [pid 6213] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6212] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6211] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6206, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6214] <... setpgid resumed>) = 0 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 1 [pid 6211] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6214] <... openat resumed>) = 3 [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6214] write(3, "1000", 4 [pid 6210] <... futex resumed>) = 0 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... write resumed>) = 4 [pid 6213] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6212] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6211] <... futex resumed>) = 0 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] <... futex resumed>) = 0 [pid 6214] close(3 [pid 6213] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6212] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6211] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] <... close resumed>) = 0 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6214] write(1, "executing program\n", 18 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 6211] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6210] <... futex resumed>) = 0 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... write resumed>) = 18 [pid 6211] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6212] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6214] <... futex resumed>) = 0 [pid 6213] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... futex resumed>) = 1 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... futex resumed>) = 0 [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6214] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6213] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6211] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... futex resumed>) = 0 [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6213] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6212] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = 0 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... futex resumed>) = 0 [pid 6213] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6211] <... futex resumed>) = 0 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6215 attached [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6211] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... mmap resumed>) = 0x7f41ad770000 [pid 6209] <... futex resumed>) = 0 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6214] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6215 [pid 6215] set_robust_list(0x5555683327a0, 24 [pid 6213] <... futex resumed>) = 0 [pid 6212] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6210] <... futex resumed>) = 1 [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] <... mprotect resumed>) = 0 [pid 6213] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6215] rt_sigprocmask(SIG_SETMASK, [] [pid 6214] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6211] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6214] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6216 attached [pid 6215] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6213] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6212] <... futex resumed>) = 0 [pid 6211] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = 0 [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] mkdirat(AT_FDCWD, NULL, 0777 [pid 6208] <... futex resumed>) = 0 [pid 6215] <... prctl resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6210] <... futex resumed>) = 0 [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] setpgid(0, 0 [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] mkdirat(AT_FDCWD, NULL, 0777 [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6215] <... setpgid resumed>) = 0 [pid 6214] <... clone3 resumed> => {parent_tid=[6216]}, 88) = 6216 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = 0 [pid 6211] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... rseq resumed>) = 0 [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] rt_sigprocmask(SIG_SETMASK, [] [pid 6213] mkdirat(AT_FDCWD, NULL, 0777 [pid 6212] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... futex resumed>) = 0 [pid 6216] set_robust_list(0x7f41ad7909a0, 24 [pid 6215] <... openat resumed>) = 3 [pid 6214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6213] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6212] <... openat resumed>) = 4 [pid 6211] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... set_robust_list resumed>) = 0 [pid 6215] write(3, "1000", 4 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] rt_sigprocmask(SIG_SETMASK, [] [pid 6215] <... write resumed>) = 4 [pid 6214] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6215] close(3 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... close resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... openat resumed>) = 4 [pid 6210] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6216] memfd_create("syzkaller", 0 [pid 6215] write(1, "executing program\n", 18 [pid 6213] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6212] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... memfd_create resumed>) = 3 [pid 6215] <... write resumed>) = 18 [pid 6213] <... openat resumed>) = 4 [pid 6212] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6211] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = 0 [pid 6216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... mmap resumed>) = 0x7f41a5370000 [pid 6215] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6215] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6210] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6213] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6212] openat(AT_FDCWD, NULL, O_RDWR [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6213] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6212] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6211] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = 0 [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... mmap resumed>) = 0x7f41ad770000 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6215] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] openat(AT_FDCWD, NULL, O_RDWR [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... mprotect resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6210] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6213] openat(AT_FDCWD, NULL, O_RDWR [pid 6212] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6215] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6213] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6212] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6211] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = 0 [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6217 attached [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6215] <... clone3 resumed> => {parent_tid=[6217]}, 88) = 6217 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 1 [pid 6211] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6217] <... rseq resumed>) = 0 [pid 6215] rt_sigprocmask(SIG_SETMASK, [] [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] set_robust_list(0x7f41ad7909a0, 24 [pid 6215] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] <... futex resumed>) = 0 [pid 6217] <... set_robust_list resumed>) = 0 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6212] sendfile(-1, -1, NULL, 553647746 [pid 6211] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] rt_sigprocmask(SIG_SETMASK, [] [pid 6215] <... futex resumed>) = 0 [pid 6213] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6212] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] <... futex resumed>) = 0 [pid 6217] memfd_create("syzkaller", 0 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 1 [pid 6211] sendfile(-1, -1, NULL, 553647746 [pid 6210] <... futex resumed>) = 0 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... futex resumed>) = 0 [pid 6217] <... memfd_create resumed>) = 3 [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6217] <... mmap resumed>) = 0x7f41a5370000 [pid 6213] sendfile(-1, -1, NULL, 553647746 [pid 6212] memfd_create("syzkaller", 0 [pid 6211] <... futex resumed>) = 1 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... futex resumed>) = 0 [pid 6208] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... memfd_create resumed>) = 5 [pid 6211] memfd_create("syzkaller", 0 [pid 6209] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... memfd_create resumed>) = 5 [pid 6209] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6210] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... mmap resumed>) = 0x7f41a5370000 [pid 6213] memfd_create("syzkaller", 0 [pid 6211] <... mmap resumed>) = 0x7f41a5370000 [pid 6210] <... futex resumed>) = 0 [pid 6217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6216] <... write resumed>) = 1048576 [pid 6213] <... memfd_create resumed>) = 5 [pid 6212] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6210] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6216] munmap(0x7f41a5370000, 138412032 [pid 6213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6216] <... munmap resumed>) = 0 [pid 6213] <... mmap resumed>) = 0x7f41a5370000 [pid 6216] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6213] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6211] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6216] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6212] <... write resumed>) = 262144 [pid 6216] close(3 [pid 6211] <... write resumed>) = 262144 [pid 6212] munmap(0x7f41a5370000, 138412032 [pid 6217] <... write resumed>) = 1048576 [pid 6216] <... close resumed>) = 0 [pid 6213] <... write resumed>) = 262144 [pid 6212] <... munmap resumed>) = 0 [pid 6211] munmap(0x7f41a5370000, 138412032 [pid 6217] munmap(0x7f41a5370000, 138412032 [pid 6213] munmap(0x7f41a5370000, 138412032 [pid 6212] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6211] <... munmap resumed>) = 0 [pid 6217] <... munmap resumed>) = 0 [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... munmap resumed>) = 0 [pid 6212] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6211] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6217] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6214] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = 1 [pid 6211] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] close(5 [pid 6214] <... futex resumed>) = 0 [pid 6217] close(3 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6212] close(5 [pid 6216] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6213] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] close(5 [pid 6211] <... close resumed>) = 0 [pid 6216] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 6213] <... close resumed>) = 0 [pid 6211] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... futex resumed>) = 1 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] <... close resumed>) = 0 [pid 6209] exit_group(0 [pid 6212] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... exit_group resumed>) = ? [pid 6212] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 6216] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6213] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] exit_group(0 [pid 6216] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... close resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = ? [pid 6210] <... futex resumed>) = 0 [pid 6208] <... exit_group resumed>) = ? [pid 6216] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 6213] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] +++ exited with 0 +++ [pid 6211] +++ exited with 0 +++ [pid 6210] exit_group(0 [pid 6209] +++ exited with 0 +++ [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = ? [pid 6210] <... exit_group resumed>) = ? [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6209, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6217] <... futex resumed>) = 1 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6213] +++ exited with 0 +++ [pid 6208] +++ exited with 0 +++ [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6216] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6208, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6216] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] +++ exited with 0 +++ [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6210, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5601] <... restart_syscall resumed>) = 0 [pid 6217] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6217] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6216] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] <... restart_syscall resumed>) = 0 [pid 6217] <... futex resumed>) = 1 [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] <... futex resumed>) = 1 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] <... futex resumed>) = 0 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6217] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6217] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6216] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6217] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6215] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6217] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6218 attached [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 ci2-upstream-fs/strace-static-x86_64: Process 6220 attached ci2-upstream-fs/strace-static-x86_64: Process 6219 attached [pid 6218] set_robust_list(0x5555683327a0, 24 [pid 6217] <... futex resumed>) = 0 [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6218 [pid 6220] set_robust_list(0x5555683327a0, 24 [pid 6219] set_robust_list(0x5555683327a0, 24 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] <... futex resumed>) = 1 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6219 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6220 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_SETMASK, [] [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] <... futex resumed>) = 0 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6220] rt_sigprocmask(SIG_SETMASK, [] [pid 6219] rt_sigprocmask(SIG_SETMASK, [] [pid 6218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6217] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] mkdirat(AT_FDCWD, NULL, 0777 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] <... prctl resumed>) = 0 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6220] <... prctl resumed>) = 0 [pid 6217] <... futex resumed>) = 1 [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] <... futex resumed>) = 1 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] setpgid(0, 0 [pid 6219] <... prctl resumed>) = 0 [pid 6218] setpgid(0, 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6220] <... setpgid resumed>) = 0 [pid 6219] setpgid(0, 0 [pid 6218] <... setpgid resumed>) = 0 [pid 6217] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6219] <... setpgid resumed>) = 0 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6217] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... openat resumed>) = 3 [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] <... openat resumed>) = 3 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6214] <... futex resumed>) = 0 [pid 6220] write(3, "1000", 4 [pid 6219] <... openat resumed>) = 3 [pid 6218] write(3, "1000", 4 [pid 6217] <... futex resumed>) = 1 [pid 6216] <... openat resumed>) = 4 [pid 6215] <... futex resumed>) = 0 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] <... write resumed>) = 4 [pid 6219] write(3, "1000", 4 [pid 6218] <... write resumed>) = 4 [pid 6217] mkdirat(AT_FDCWD, NULL, 0777 [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] close(3 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] close(3 [pid 6220] <... close resumed>) = 0 [pid 6219] <... write resumed>) = 4 [pid 6218] <... close resumed>) = 0 [pid 6217] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6216] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6220] write(1, "executing program\n", 18 executing program [pid 6219] close(3 [pid 6218] write(1, "executing program\n", 18 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6216] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] <... write resumed>) = 18 [pid 6219] <... close resumed>) = 0 [pid 6218] <... write resumed>) = 18 [pid 6217] <... futex resumed>) = 0 [pid 6216] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6220] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6218] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6220] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6219] write(1, "executing program\n", 18 [pid 6218] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 6217] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6219] <... write resumed>) = 18 [pid 6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6217] <... openat resumed>) = 4 [pid 6216] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6219] <... futex resumed>) = 0 [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6217] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 6220] <... mmap resumed>) = 0x7f41ad770000 [pid 6219] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6218] <... mmap resumed>) = 0x7f41ad770000 [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] openat(AT_FDCWD, NULL, O_RDWR [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6218] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6219] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6215] <... futex resumed>) = 0 [pid 6220] <... mprotect resumed>) = 0 [pid 6219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6218] <... mprotect resumed>) = 0 [pid 6217] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6217] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 6220] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6218] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6219] <... mmap resumed>) = 0x7f41ad770000 [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6217] <... futex resumed>) = 1 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6221 attached [pid 6219] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6216] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6222 attached [pid 6220] <... clone3 resumed> => {parent_tid=[6221]}, 88) = 6221 [pid 6219] <... mprotect resumed>) = 0 [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6221] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6220] rt_sigprocmask(SIG_SETMASK, [] [pid 6219] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6218] <... clone3 resumed> => {parent_tid=[6222]}, 88) = 6222 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6222] <... rseq resumed>) = 0 [pid 6221] <... rseq resumed>) = 0 [pid 6220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6219] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6218] rt_sigprocmask(SIG_SETMASK, [] [pid 6217] openat(AT_FDCWD, NULL, O_RDWR [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 6222] set_robust_list(0x7f41ad7909a0, 24 [pid 6221] set_robust_list(0x7f41ad7909a0, 24 [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6217] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6216] <... futex resumed>) = 1 [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6223 attached [pid 6222] <... set_robust_list resumed>) = 0 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] sendfile(-1, -1, NULL, 553647746 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6222] rt_sigprocmask(SIG_SETMASK, [] [pid 6221] rt_sigprocmask(SIG_SETMASK, [] [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6219] <... clone3 resumed> => {parent_tid=[6223]}, 88) = 6223 [pid 6218] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = 1 [pid 6216] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6223] <... rseq resumed>) = 0 [pid 6222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6219] rt_sigprocmask(SIG_SETMASK, [] [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] set_robust_list(0x7f41ad7909a0, 24 [pid 6222] memfd_create("syzkaller", 0 [pid 6221] memfd_create("syzkaller", 0 [pid 6219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] <... set_robust_list resumed>) = 0 [pid 6222] <... memfd_create resumed>) = 3 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... memfd_create resumed>) = 3 [pid 6214] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] rt_sigprocmask(SIG_SETMASK, [] [pid 6222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6219] <... futex resumed>) = 0 [pid 6217] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 6223] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6222] <... mmap resumed>) = 0x7f41a5370000 [pid 6221] <... mmap resumed>) = 0x7f41a5370000 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] memfd_create("syzkaller", 0 [pid 6214] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6223] memfd_create("syzkaller", 0 [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6217] sendfile(-1, -1, NULL, 553647746 [pid 6216] <... memfd_create resumed>) = 5 [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 6223] <... memfd_create resumed>) = 3 [pid 6217] <... futex resumed>) = 0 [pid 6216] <... mmap resumed>) = 0x7f41a5370000 [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... mmap resumed>) = 0x7f41a5370000 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 1 [pid 6217] memfd_create("syzkaller", 0 [pid 6216] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6215] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6217] <... memfd_create resumed>) = 5 [pid 6217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6221] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6216] <... write resumed>) = 262144 [pid 6217] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6216] munmap(0x7f41a5370000, 138412032) = 0 [pid 6216] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6217] <... write resumed>) = 262144 [pid 6216] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] close(5 [pid 6223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6217] munmap(0x7f41a5370000, 138412032) = 0 [pid 6216] <... close resumed>) = 0 [pid 6217] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6217] close(5 [pid 6216] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6214] <... futex resumed>) = 0 [pid 6217] <... close resumed>) = 0 [pid 6216] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] exit_group(0 [pid 6216] <... futex resumed>) = ? [pid 6214] <... exit_group resumed>) = ? [pid 6217] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] +++ exited with 0 +++ [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6217] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] exit_group(0 [pid 6217] <... futex resumed>) = ? [pid 6215] <... exit_group resumed>) = ? [pid 6217] +++ exited with 0 +++ [pid 6214] +++ exited with 0 +++ [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6215] +++ exited with 0 +++ [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6215, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6223] <... write resumed>) = 1048576 ci2-upstream-fs/strace-static-x86_64: Process 6224 attached [pid 6222] <... write resumed>) = 1048576 [pid 6221] <... write resumed>) = 1048576 [pid 6223] munmap(0x7f41a5370000, 138412032 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6221] munmap(0x7f41a5370000, 138412032 [pid 6222] munmap(0x7f41a5370000, 138412032 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6222] <... munmap resumed>) = 0 [pid 6221] <... munmap resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6224 [pid 6224] set_robust_list(0x5555683327a0, 24 [pid 6223] <... munmap resumed>) = 0 [pid 6221] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6223] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6222] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6221] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6224] rt_sigprocmask(SIG_SETMASK, [] [pid 6223] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6222] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6221] close(3 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6223] close(3 [pid 6222] close(3ci2-upstream-fs/strace-static-x86_64: Process 6225 attached [pid 6224] <... prctl resumed>) = 0 [pid 6221] <... close resumed>) = 0 [pid 6225] set_robust_list(0x5555683327a0, 24 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6225 [pid 6224] setpgid(0, 0 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] <... setpgid resumed>) = 0 [pid 6221] <... futex resumed>) = 1 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6225] rt_sigprocmask(SIG_SETMASK, [] [pid 6221] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] <... close resumed>) = 0 [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... prctl resumed>) = 0 [pid 6224] <... openat resumed>) = 3 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = 1 [pid 6225] setpgid(0, 0 [pid 6224] write(3, "1000", 4 [pid 6223] <... futex resumed>) = 1 [pid 6222] <... close resumed>) = 0 [pid 6221] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... futex resumed>) = 0 [pid 6225] <... setpgid resumed>) = 0 [pid 6224] <... write resumed>) = 4 [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] close(3 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] <... futex resumed>) = 1 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6225] <... openat resumed>) = 3 [pid 6224] <... close resumed>) = 0 [pid 6223] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] write(1, "executing program\n", 18 [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6223] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6225] write(3, "1000", 4 [pid 6220] <... futex resumed>) = 0 [pid 6225] <... write resumed>) = 4 [pid 6224] <... write resumed>) = 18 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6222] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6221] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] close(3 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = 1 [pid 6222] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] <... futex resumed>) = 0 [pid 6225] <... close resumed>) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6223] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] write(1, "executing program\n", 18 [pid 6224] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6223] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6221] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6220] <... futex resumed>) = 0 [pid 6224] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6223] <... futex resumed>) = 0 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] <... futex resumed>) = 0 executing program [pid 6225] <... write resumed>) = 18 [pid 6222] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... futex resumed>) = 0 [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... futex resumed>) = 0 [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6220] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6224] <... mmap resumed>) = 0x7f41ad770000 [pid 6222] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6221] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6225] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6224] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6223] <... futex resumed>) = 0 [pid 6222] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] <... futex resumed>) = 1 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6224] <... mprotect resumed>) = 0 [pid 6223] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6223] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... futex resumed>) = 0 [pid 6221] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6220] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6224] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] <... mmap resumed>) = 0x7f41ad770000 [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] <... futex resumed>) = 1 [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6221] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 ci2-upstream-fs/strace-static-x86_64: Process 6226 attached [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 1 [pid 6225] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6222] <... futex resumed>) = 0 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6225] <... mprotect resumed>) = 0 [pid 6224] <... clone3 resumed> => {parent_tid=[6226]}, 88) = 6226 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 0 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] <... rseq resumed>) = 0 [pid 6225] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6224] rt_sigprocmask(SIG_SETMASK, [] [pid 6223] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6222] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6221] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] set_robust_list(0x7f41ad7909a0, 24 [pid 6225] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6223] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 1 [pid 6221] mkdirat(AT_FDCWD, NULL, 0777 [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6227 attached [pid 6226] rt_sigprocmask(SIG_SETMASK, [] [pid 6224] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = 1 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6219] <... futex resumed>) = 0 [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6225] <... clone3 resumed> => {parent_tid=[6227]}, 88) = 6227 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6227] <... rseq resumed>) = 0 [pid 6226] memfd_create("syzkaller", 0 [pid 6225] rt_sigprocmask(SIG_SETMASK, [] [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 0 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] set_robust_list(0x7f41ad7909a0, 24 [pid 6226] <... memfd_create resumed>) = 3 [pid 6225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6223] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6222] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6227] <... set_robust_list resumed>) = 0 [pid 6226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... openat resumed>) = 4 [pid 6220] <... futex resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_SETMASK, [] [pid 6226] <... mmap resumed>) = 0x7f41a5370000 [pid 6225] <... futex resumed>) = 0 [pid 6223] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6222] <... futex resumed>) = 1 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... futex resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] memfd_create("syzkaller", 0 [pid 6223] <... futex resumed>) = 1 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6227] <... memfd_create resumed>) = 3 [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... futex resumed>) = 0 [pid 6227] <... mmap resumed>) = 0x7f41a5370000 [pid 6223] mkdirat(AT_FDCWD, NULL, 0777 [pid 6222] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6221] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 1 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = 0 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6223] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... openat resumed>) = 4 [pid 6222] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 1 [pid 6221] openat(AT_FDCWD, NULL, O_RDWR [pid 6222] mkdirat(AT_FDCWD, NULL, 0777 [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] <... futex resumed>) = 0 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6222] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6223] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6220] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6227] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6223] <... futex resumed>) = 0 [pid 6222] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6221] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] <... openat resumed>) = 4 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6223] openat(AT_FDCWD, NULL, O_RDWR [pid 6222] <... futex resumed>) = 1 [pid 6221] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6223] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6222] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6221] sendfile(-1, -1, NULL, 553647746 [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = 0 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6222] <... futex resumed>) = 0 [pid 6221] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = 0 [pid 6221] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] <... futex resumed>) = 0 [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] openat(AT_FDCWD, NULL, O_RDWR [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] <... write resumed>) = 1048576 [pid 6223] sendfile(-1, -1, NULL, 553647746 [pid 6222] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6221] memfd_create("syzkaller", 0 [pid 6220] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6219] <... futex resumed>) = 0 [pid 6226] munmap(0x7f41a5370000, 138412032 [pid 6223] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... memfd_create resumed>) = 5 [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] <... munmap resumed>) = 0 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6226] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6223] <... futex resumed>) = 0 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] <... mmap resumed>) = 0x7f41a5370000 [pid 6219] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6226] close(3 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6219] <... futex resumed>) = 0 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] memfd_create("syzkaller", 0 [pid 6222] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6219] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6223] <... memfd_create resumed>) = 5 [pid 6223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... mmap resumed>) = 0x7f41a5370000 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] sendfile(-1, -1, NULL, 553647746 [pid 6218] <... futex resumed>) = 0 [pid 6222] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... write resumed>) = 1048576 [pid 6222] memfd_create("syzkaller", 0 [pid 6221] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6222] <... memfd_create resumed>) = 5 [pid 6218] <... futex resumed>) = 0 [pid 6227] munmap(0x7f41a5370000, 138412032 [pid 6226] <... close resumed>) = 0 [pid 6223] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6221] <... write resumed>) = 262144 [pid 6227] <... munmap resumed>) = 0 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6221] munmap(0x7f41a5370000, 138412032 [pid 6218] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6227] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6226] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6222] <... mmap resumed>) = 0x7f41a5370000 [pid 6221] <... munmap resumed>) = 0 [pid 6227] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... write resumed>) = 262144 [pid 6222] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6221] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6227] close(3 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... futex resumed>) = 0 [pid 6223] munmap(0x7f41a5370000, 138412032 [pid 6221] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6226] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = -1 EISDIR (Is a directory) [pid 6223] <... munmap resumed>) = 0 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] close(5 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6223] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6222] <... write resumed>) = 262144 [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] close(5 [pid 6221] <... close resumed>) = 0 [pid 6226] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 1 [pid 6221] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6226] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6222] munmap(0x7f41a5370000, 138412032 [pid 6221] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... close resumed>) = 0 [pid 6220] exit_group(0 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... munmap resumed>) = 0 [pid 6220] <... exit_group resumed>) = ? [pid 6221] <... futex resumed>) = ? [pid 6226] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6227] <... close resumed>) = 0 [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6221] +++ exited with 0 +++ [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = 1 [pid 6222] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6219] <... futex resumed>) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6226] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] close(5 [pid 6219] exit_group(0 [pid 6227] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = ? [pid 6222] <... close resumed>) = 0 [pid 6220] +++ exited with 0 +++ [pid 6219] <... exit_group resumed>) = ? [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = 0 [pid 6223] +++ exited with 0 +++ [pid 6227] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6226] <... futex resumed>) = 1 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... futex resumed>) = 0 [pid 6222] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6220, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6227] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6226] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... futex resumed>) = 0 [pid 6222] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] +++ exited with 0 +++ [pid 6218] exit_group(0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] <... futex resumed>) = ? [pid 6226] <... futex resumed>) = 0 [pid 6218] <... exit_group resumed>) = ? [pid 6227] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6226] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] +++ exited with 0 +++ [pid 6227] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6219, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6227] <... futex resumed>) = 0 [pid 6226] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] +++ exited with 0 +++ [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6227] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6227] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6226] mkdirat(AT_FDCWD, NULL, 0777 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6227] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 6228 attached [pid 6227] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... restart_syscall resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6229 attached [pid 6228] set_robust_list(0x5555683327a0, 24 [pid 6227] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6228 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... futex resumed>) = 0 [pid 6229] set_robust_list(0x5555683327a0, 24 [pid 6228] rt_sigprocmask(SIG_SETMASK, [] [pid 6227] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6226] <... openat resumed>) = 4 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6229 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6229] <... set_robust_list resumed>) = 0 [pid 6228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6227] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6229] rt_sigprocmask(SIG_SETMASK, [] [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... futex resumed>) = 0 [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6226] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6228] <... prctl resumed>) = 0 [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... prctl resumed>) = 0 [pid 6228] setpgid(0, 0 [pid 6227] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6226] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6225] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6229] setpgid(0, 0 [pid 6228] <... setpgid resumed>) = 0 [pid 6229] <... setpgid resumed>) = 0 [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6226] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... futex resumed>) = 0 [pid 6229] <... openat resumed>) = 3 [pid 6229] write(3, "1000", 4) = 4 [pid 6229] close(3) = 0 [pid 6227] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 ci2-upstream-fs/strace-static-x86_64: Process 6230 attached [pid 6229] write(1, "executing program\n", 18 [pid 6228] <... openat resumed>) = 3 [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] openat(AT_FDCWD, NULL, O_RDWR executing program [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] set_robust_list(0x5555683327a0, 24 [pid 6229] <... write resumed>) = 18 [pid 6228] write(3, "1000", 4 [pid 6227] <... futex resumed>) = 1 [pid 6226] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6225] <... futex resumed>) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6230 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... write resumed>) = 4 [pid 6227] mkdirat(AT_FDCWD, NULL, 0777 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6230] rt_sigprocmask(SIG_SETMASK, [] [pid 6229] <... futex resumed>) = 0 [pid 6228] close(3 [pid 6227] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6226] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6229] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6228] <... close resumed>) = 0 [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] write(1, "executing program\n", 18 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... futex resumed>) = 0 executing program [pid 6230] <... prctl resumed>) = 0 [pid 6229] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6228] <... write resumed>) = 18 [pid 6227] <... futex resumed>) = 0 [pid 6226] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] setpgid(0, 0 [pid 6229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6226] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6225] <... futex resumed>) = 0 [pid 6230] <... setpgid resumed>) = 0 [pid 6229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6227] <... openat resumed>) = 4 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6226] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6230] <... openat resumed>) = 3 [pid 6229] <... mmap resumed>) = 0x7f41ad770000 [pid 6228] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6227] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6227] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] <... mprotect resumed>) = 0 [pid 6230] write(3, "1000", 4 [pid 6228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = 0 [pid 6230] <... write resumed>) = 4 [pid 6229] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6226] sendfile(-1, -1, NULL, 553647746 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] close(3 [pid 6228] <... mmap resumed>) = 0x7f41ad770000 [pid 6227] <... futex resumed>) = 0 [pid 6226] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6230] <... close resumed>) = 0 [pid 6229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6228] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6227] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6231 attached [pid 6230] write(1, "executing program\n", 18 [pid 6228] <... mprotect resumed>) = 0 [pid 6227] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... futex resumed>) = 1 executing program [pid 6224] <... futex resumed>) = 0 [pid 6231] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6230] <... write resumed>) = 18 [pid 6229] <... clone3 resumed> => {parent_tid=[6231]}, 88) = 6231 [pid 6228] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... rseq resumed>) = 0 [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] rt_sigprocmask(SIG_SETMASK, [] [pid 6228] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6231] set_robust_list(0x7f41ad7909a0, 24 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6227] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] memfd_create("syzkaller", 0 [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6232 attached [pid 6231] <... set_robust_list resumed>) = 0 [pid 6230] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... memfd_create resumed>) = 5 [pid 6232] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6231] rt_sigprocmask(SIG_SETMASK, [] [pid 6230] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... clone3 resumed> => {parent_tid=[6232]}, 88) = 6232 [pid 6227] openat(AT_FDCWD, NULL, O_RDWR [pid 6226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6225] <... futex resumed>) = 0 [pid 6232] <... rseq resumed>) = 0 [pid 6231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6228] rt_sigprocmask(SIG_SETMASK, [] [pid 6227] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6226] <... mmap resumed>) = 0x7f41a5370000 [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] set_robust_list(0x7f41ad7909a0, 24 [pid 6231] memfd_create("syzkaller", 0 [pid 6230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... set_robust_list resumed>) = 0 [pid 6231] <... memfd_create resumed>) = 3 [pid 6230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] rt_sigprocmask(SIG_SETMASK, [] [pid 6227] <... futex resumed>) = 0 [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6230] <... mmap resumed>) = 0x7f41ad770000 [pid 6228] <... futex resumed>) = 0 [pid 6227] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6225] <... futex resumed>) = 0 [pid 6232] memfd_create("syzkaller", 0 [pid 6231] <... mmap resumed>) = 0x7f41a5370000 [pid 6230] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6227] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] <... memfd_create resumed>) = 3 [pid 6230] <... mprotect resumed>) = 0 [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6227] <... futex resumed>) = 0 [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... mmap resumed>) = 0x7f41a5370000 [pid 6230] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6227] sendfile(-1, -1, NULL, 553647746 [pid 6226] <... write resumed>) = 262144 [pid 6225] <... futex resumed>) = 0 [pid 6227] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] <... futex resumed>) = 0 [pid 6230] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6226] munmap(0x7f41a5370000, 138412032 [pid 6225] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6227] memfd_create("syzkaller", 0 [pid 6226] <... munmap resumed>) = 0 [pid 6225] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6233 attached [pid 6225] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6230] <... clone3 resumed> => {parent_tid=[6233]}, 88) = 6233 [pid 6230] rt_sigprocmask(SIG_SETMASK, [] [pid 6227] <... memfd_create resumed>) = 5 [pid 6230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6226] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6226] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6233] <... rseq resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6227] <... mmap resumed>) = 0x7f41a5370000 [pid 6226] close(5 [pid 6233] set_robust_list(0x7f41ad7909a0, 24 [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6233] <... set_robust_list resumed>) = 0 [pid 6227] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6233] memfd_create("syzkaller", 0 [pid 6226] <... close resumed>) = 0 [pid 6226] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6233] <... memfd_create resumed>) = 3 [pid 6232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6231] <... write resumed>) = 1048576 [pid 6227] <... write resumed>) = 262144 [pid 6226] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] exit_group(0 [pid 6233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6231] munmap(0x7f41a5370000, 138412032 [pid 6226] <... futex resumed>) = ? [pid 6224] <... exit_group resumed>) = ? [pid 6233] <... mmap resumed>) = 0x7f41a5370000 [pid 6231] <... munmap resumed>) = 0 [pid 6227] munmap(0x7f41a5370000, 138412032 [pid 6226] +++ exited with 0 +++ [pid 6231] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6231] close(3 [pid 6224] +++ exited with 0 +++ [pid 6227] <... munmap resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6224, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6227] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6227] close(5 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6227] <... close resumed>) = 0 [pid 6227] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6227] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6225] exit_group(0) = ? [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6231] <... close resumed>) = 0 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6229] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6231] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 1 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000ci2-upstream-fs/strace-static-x86_64: Process 6234 attached [pid 6232] <... write resumed>) = 1048576 [pid 6227] +++ exited with 0 +++ [pid 6225] +++ exited with 0 +++ [pid 6234] set_robust_list(0x5555683327a0, 24 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6234 [pid 6234] <... set_robust_list resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_SETMASK, [] [pid 6232] munmap(0x7f41a5370000, 138412032 [pid 6231] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6234] <... prctl resumed>) = 0 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6234] setpgid(0, 0 [pid 6232] <... munmap resumed>) = 0 [pid 6234] <... setpgid resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6232] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6233] <... write resumed>) = 1048576 [pid 6232] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... openat resumed>) = 3 [pid 6232] close(3 [pid 6229] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] write(3, "1000", 4 [pid 6231] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6234] <... write resumed>) = 4 [pid 6233] munmap(0x7f41a5370000, 138412032 [pid 6231] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6234] close(3 [pid 6233] <... munmap resumed>) = 0 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... close resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 6234] write(1, "executing program\n", 18) = 18 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6233] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6234] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6233] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6229] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6234] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6233] close(3 [pid 6231] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 1 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6231] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140ci2-upstream-fs/strace-static-x86_64: Process 6235 attached [pid 6234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6231] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... mprotect resumed>) = 0 [pid 6235] set_robust_list(0x5555683327a0, 24 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6229] <... futex resumed>) = 0 [pid 6231] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6235 [pid 6231] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6234] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505ci2-upstream-fs/strace-static-x86_64: Process 6236 attached [pid 6235] <... prctl resumed>) = 0 [pid 6232] <... close resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6235] setpgid(0, 0 [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... setpgid resumed>) = 0 [pid 6236] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6234] <... clone3 resumed> => {parent_tid=[6236]}, 88) = 6236 [pid 6232] <... futex resumed>) = 1 [pid 6231] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... futex resumed>) = 0 [pid 6236] <... rseq resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_SETMASK, [] [pid 6233] <... close resumed>) = 0 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] set_robust_list(0x7f41ad7909a0, 24 [pid 6234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6231] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] rt_sigprocmask(SIG_SETMASK, [] [pid 6234] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] mkdirat(AT_FDCWD, NULL, 0777 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6233] <... futex resumed>) = 1 [pid 6232] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6231] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6230] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6236] memfd_create("syzkaller", 0 [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... memfd_create resumed>) = 3 [pid 6235] <... openat resumed>) = 3 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6235] write(3, "1000", 4 [pid 6233] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... mmap resumed>) = 0x7f41a5370000 [pid 6235] <... write resumed>) = 4 [pid 6233] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6235] close(3 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... close resumed>) = 0 [pid 6233] <... futex resumed>) = 1 [pid 6232] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6230] <... futex resumed>) = 0 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] write(1, "executing program\n", 18 executing program [pid 6233] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... write resumed>) = 18 [pid 6233] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6230] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = 1 [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... futex resumed>) = 0 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... openat resumed>) = 4 [pid 6230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 6235] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6235] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6233] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6232] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... futex resumed>) = 0 [pid 6235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6233] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... futex resumed>) = 0 [pid 6235] <... mmap resumed>) = 0x7f41ad770000 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 1 [pid 6231] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6230] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 6232] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... mprotect resumed>) = 0 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6235] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6233] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6233] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 6235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 1 ci2-upstream-fs/strace-static-x86_64: Process 6237 attached [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 6237] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6231] openat(AT_FDCWD, NULL, O_RDWR [pid 6232] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] <... rseq resumed>) = 0 [pid 6235] <... clone3 resumed> => {parent_tid=[6237]}, 88) = 6237 [pid 6233] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6231] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6230] <... futex resumed>) = 0 [pid 6237] set_robust_list(0x7f41ad7909a0, 24 [pid 6235] rt_sigprocmask(SIG_SETMASK, [] [pid 6232] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6237] <... set_robust_list resumed>) = 0 [pid 6235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] rt_sigprocmask(SIG_SETMASK, [] [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6232] <... futex resumed>) = 1 [pid 6237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6236] <... write resumed>) = 1048576 [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] mkdirat(AT_FDCWD, NULL, 0777 [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] munmap(0x7f41a5370000, 138412032 [pid 6233] <... futex resumed>) = 1 [pid 6232] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 0 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6237] memfd_create("syzkaller", 0 [pid 6233] mkdirat(AT_FDCWD, NULL, 0777 [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] <... futex resumed>) = 0 [pid 6231] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6237] <... memfd_create resumed>) = 3 [pid 6233] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6236] <... munmap resumed>) = 0 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] <... futex resumed>) = 0 [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... futex resumed>) = 0 [pid 6237] <... mmap resumed>) = 0x7f41a5370000 [pid 6236] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6233] <... futex resumed>) = 0 [pid 6232] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6231] sendfile(-1, -1, NULL, 553647746 [pid 6230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] <... futex resumed>) = 0 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] close(3 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... openat resumed>) = 4 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6229] <... futex resumed>) = 0 [pid 6233] <... openat resumed>) = 4 [pid 6231] <... futex resumed>) = 0 [pid 6229] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] memfd_create("syzkaller", 0 [pid 6232] <... futex resumed>) = 1 [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... memfd_create resumed>) = 5 [pid 6228] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = 1 [pid 6231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6230] <... futex resumed>) = 0 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] <... mmap resumed>) = 0x7f41a5370000 [pid 6232] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6228] <... futex resumed>) = 0 [pid 6232] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6233] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6232] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6231] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] openat(AT_FDCWD, NULL, O_RDWR [pid 6230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 6232] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... close resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6231] <... write resumed>) = 262144 [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] openat(AT_FDCWD, NULL, O_RDWR) = -1 EFAULT (Bad address) [pid 6230] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 6231] munmap(0x7f41a5370000, 138412032 [pid 6230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] <... futex resumed>) = 0 [pid 6231] <... munmap resumed>) = 0 [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6230] <... futex resumed>) = 0 [pid 6236] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6234] <... futex resumed>) = 0 [pid 6233] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6232] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6231] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6236] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 1 [pid 6232] <... futex resumed>) = 1 [pid 6231] close(5 [pid 6230] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] <... close resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6233] sendfile(-1, -1, NULL, 553647746 [pid 6232] <... futex resumed>) = 0 [pid 6231] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... futex resumed>) = 1 [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] sendfile(-1, -1, NULL, 553647746 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] exit_group(0 [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 1 [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = ? [pid 6230] <... futex resumed>) = 0 [pid 6229] <... exit_group resumed>) = ? [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 0 [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] <... futex resumed>) = 1 [pid 6231] +++ exited with 0 +++ [pid 6230] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... futex resumed>) = 0 [pid 6237] <... write resumed>) = 1048576 [pid 6236] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] <... futex resumed>) = 0 [pid 6229] +++ exited with 0 +++ [pid 6228] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] munmap(0x7f41a5370000, 138412032 [pid 6236] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] memfd_create("syzkaller", 0 [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6228] <... futex resumed>) = 0 [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... memfd_create resumed>) = 5 [pid 6232] memfd_create("syzkaller", 0 [pid 6228] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6229, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6232] <... memfd_create resumed>) = 5 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6237] <... munmap resumed>) = 0 [pid 6236] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... mmap resumed>) = 0x7f41a5370000 [pid 6232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6237] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6236] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... futex resumed>) = 0 [pid 6232] <... mmap resumed>) = 0x7f41a5370000 [pid 6237] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6236] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6234] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6237] close(3 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6232] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144ci2-upstream-fs/strace-static-x86_64: Process 6238 attached [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6238 [pid 6236] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6238] set_robust_list(0x5555683327a0, 24 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... write resumed>) = 262144 [pid 6238] rt_sigprocmask(SIG_SETMASK, [] [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] mkdirat(AT_FDCWD, NULL, 0777 [pid 6238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6236] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... prctl resumed>) = 0 [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6238] setpgid(0, 0 [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] munmap(0x7f41a5370000, 138412032 [pid 6238] <... setpgid resumed>) = 0 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 0 [pid 6233] <... munmap resumed>) = 0 [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6236] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... openat resumed>) = 3 [pid 6236] <... openat resumed>) = 4 [pid 6232] <... write resumed>) = 262144 [pid 6233] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6232] munmap(0x7f41a5370000, 138412032 [pid 6238] write(3, "1000", 4 [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] close(5 [pid 6238] <... write resumed>) = 4 [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6232] <... munmap resumed>) = 0 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] close(3 [pid 6236] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6238] <... close resumed>) = 0 [pid 6236] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6237] <... close resumed>) = 0 [pid 6232] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] close(5 [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 6238] write(1, "executing program\n", 18 [pid 6237] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... write resumed>) = 18 executing program [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... close resumed>) = 0 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = 0 [pid 6238] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6237] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 1 [pid 6233] <... futex resumed>) = 1 [pid 6232] <... close resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6237] <... futex resumed>) = 0 [pid 6236] openat(AT_FDCWD, NULL, O_RDWR [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] exit_group(0 [pid 6238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6237] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6236] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6235] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = ? [pid 6232] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... exit_group resumed>) = ? [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6237] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] +++ exited with 0 +++ [pid 6232] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 6238] <... mmap resumed>) = 0x7f41ad770000 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] exit_group(0 [pid 6238] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] <... futex resumed>) = 0 [pid 6238] <... mprotect resumed>) = 0 [pid 6237] <... futex resumed>) = 0 [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = ? [pid 6230] +++ exited with 0 +++ [pid 6228] <... exit_group resumed>) = ? [pid 6238] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6237] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6236] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = 1 [pid 6238] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6236] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] +++ exited with 0 +++ [pid 6238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6236] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) ci2-upstream-fs/strace-static-x86_64: Process 6239 attached [pid 6237] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6230, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6239] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6238] <... clone3 resumed> => {parent_tid=[6239]}, 88) = 6239 [pid 6236] <... futex resumed>) = 1 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... futex resumed>) = 0 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6239] <... rseq resumed>) = 0 [pid 6238] rt_sigprocmask(SIG_SETMASK, [] [pid 6237] <... futex resumed>) = 1 [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] <... futex resumed>) = 0 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] set_robust_list(0x7f41ad7909a0, 24 [pid 6238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... futex resumed>) = 0 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] sendfile(-1, -1, NULL, 553647746 [pid 6235] <... futex resumed>) = 0 [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] +++ exited with 0 +++ [pid 5605] <... restart_syscall resumed>) = 0 [pid 6239] rt_sigprocmask(SIG_SETMASK, [] [pid 6238] <... futex resumed>) = 0 [pid 6237] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6236] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6228, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 6239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6237] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6239] memfd_create("syzkaller", 0 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] <... memfd_create resumed>) = 3 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6237] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6239] <... mmap resumed>) = 0x7f41a5370000 [pid 6236] memfd_create("syzkaller", 0 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5601] <... restart_syscall resumed>) = 0 [pid 6237] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6236] <... memfd_create resumed>) = 5 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6240 attached [pid 6237] <... futex resumed>) = 1 [pid 6236] <... mmap resumed>) = 0x7f41a5370000 [pid 6235] <... futex resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6240] set_robust_list(0x5555683327a0, 24 [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6240 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6237] mkdirat(AT_FDCWD, NULL, 0777 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] rt_sigprocmask(SIG_SETMASK, [] [pid 6237] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6240] <... prctl resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6240] setpgid(0, 0 [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6240] <... setpgid resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... write resumed>) = 262144 [pid 6235] <... futex resumed>) = 0 [pid 6240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6237] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6236] munmap(0x7f41a5370000, 138412032 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6241 attached [pid 6240] <... openat resumed>) = 3 [pid 6239] <... write resumed>) = 1048576 [pid 6237] <... openat resumed>) = 4 [pid 6236] <... munmap resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6241 [pid 6241] set_robust_list(0x5555683327a0, 24 [pid 6240] write(3, "1000", 4 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6240] <... write resumed>) = 4 [pid 6239] munmap(0x7f41a5370000, 138412032 [pid 6237] <... futex resumed>) = 1 [pid 6236] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6235] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6239] <... munmap resumed>) = 0 [pid 6236] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6237] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] close(3 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6237] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6240] <... close resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6236] close(5 [pid 6241] <... prctl resumed>) = 0 [pid 6240] write(1, "executing program\n", 18 [pid 6239] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] setpgid(0, 0) = 0 [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6240] <... write resumed>) = 18 [pid 6241] <... openat resumed>) = 3 executing program [pid 6241] write(3, "1000", 4 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6237] <... futex resumed>) = 0 [pid 6236] <... close resumed>) = 0 [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] <... futex resumed>) = 0 [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] <... futex resumed>) = 0 [pid 6237] openat(AT_FDCWD, NULL, O_RDWR [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] <... write resumed>) = 4 [pid 6240] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6239] close(3 [pid 6236] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] close(3 [pid 6240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6237] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6241] <... close resumed>) = 0 [pid 6240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6236] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] write(1, "executing program\n", 18 [pid 6240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] exit_group(0 [pid 6241] <... write resumed>) = 18 [pid 6240] <... mmap resumed>) = 0x7f41ad770000 [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] <... futex resumed>) = ? [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... exit_group resumed>) = ? [pid 6241] <... futex resumed>) = 0 [pid 6240] <... mprotect resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] +++ exited with 0 +++ [pid 6235] <... futex resumed>) = 0 [pid 6241] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6240] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6237] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6237] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6242 attached [pid 6241] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6242] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6239] <... close resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 6242] <... rseq resumed>) = 0 [pid 6241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6240] <... clone3 resumed> => {parent_tid=[6242]}, 88) = 6242 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] +++ exited with 0 +++ [pid 6242] set_robust_list(0x7f41ad7909a0, 24 [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6240] rt_sigprocmask(SIG_SETMASK, [] [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] <... futex resumed>) = 0 [pid 6241] <... mmap resumed>) = 0x7f41ad770000 [pid 6240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] sendfile(-1, -1, NULL, 553647746 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] <... set_robust_list resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6234, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6242] rt_sigprocmask(SIG_SETMASK, [] [pid 6241] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = 0 [pid 6237] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6241] <... mprotect resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 6239] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] memfd_create("syzkaller", 0 [pid 6241] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6239] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6241] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... memfd_create resumed>) = 3 [pid 6235] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] memfd_create("syzkaller", 0 [pid 6235] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6242] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6243 attached [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = 0 [pid 6237] <... memfd_create resumed>) = 5 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6243] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6241] <... clone3 resumed> => {parent_tid=[6243]}, 88) = 6243 [pid 6239] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6239] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6243] <... rseq resumed>) = 0 [pid 6243] set_robust_list(0x7f41ad7909a0, 24 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... mmap resumed>) = 0x7f41a5370000 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6241] rt_sigprocmask(SIG_SETMASK, [] [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6243] rt_sigprocmask(SIG_SETMASK, [] [pid 6239] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6244 attached [pid 6243] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6239] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... futex resumed>) = 0 [pid 6237] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6244 [pid 6244] set_robust_list(0x5555683327a0, 24 [pid 6243] memfd_create("syzkaller", 0 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... set_robust_list resumed>) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6243] <... memfd_create resumed>) = 3 [pid 6239] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6239] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... futex resumed>) = 0 [pid 6237] <... write resumed>) = 262144 [pid 6244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] <... mmap resumed>) = 0x7f41a5370000 [pid 6242] <... write resumed>) = 1048576 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] munmap(0x7f41a5370000, 138412032 [pid 6244] <... prctl resumed>) = 0 [pid 6244] setpgid(0, 0) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6237] <... munmap resumed>) = 0 [pid 6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6242] munmap(0x7f41a5370000, 138412032 [pid 6239] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... openat resumed>) = 3 [pid 6242] <... munmap resumed>) = 0 [pid 6239] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6238] <... futex resumed>) = 0 [pid 6242] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6244] write(3, "1000", 4 [pid 6243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6242] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6244] <... write resumed>) = 4 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6237] close(5 [pid 6244] close(3 [pid 6242] close(3 [pid 6244] <... close resumed>) = 0 [pid 6244] write(1, "executing program\n", 18 [pid 6239] <... futex resumed>) = 1 [pid 6244] <... write resumed>) = 18 [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] <... futex resumed>) = 0 executing program [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6244] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6239] mkdirat(AT_FDCWD, NULL, 0777 [pid 6244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6239] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6238] <... futex resumed>) = 0 [pid 6244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] <... close resumed>) = 0 [pid 6244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6239] <... futex resumed>) = 0 [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... mmap resumed>) = 0x7f41ad770000 [pid 6237] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 6244] <... mprotect resumed>) = 0 [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = 0 [pid 6244] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6239] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] exit_group(0 [pid 6244] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6242] <... close resumed>) = 0 [pid 6239] <... openat resumed>) = 4 [pid 6244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... futex resumed>) = ? [pid 6235] <... exit_group resumed>) = ? ci2-upstream-fs/strace-static-x86_64: Process 6245 attached [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6237] +++ exited with 0 +++ [pid 6245] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6244] <... clone3 resumed> => {parent_tid=[6245]}, 88) = 6245 [pid 6245] <... rseq resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6239] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] set_robust_list(0x7f41ad7909a0, 24 [pid 6244] rt_sigprocmask(SIG_SETMASK, [] [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6238] <... futex resumed>) = 0 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] <... futex resumed>) = 0 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] +++ exited with 0 +++ [pid 6245] rt_sigprocmask(SIG_SETMASK, [] [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... write resumed>) = 1048576 [pid 6242] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... futex resumed>) = 0 [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6244] <... futex resumed>) = 0 [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] memfd_create("syzkaller", 0 [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6242] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6235, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6243] munmap(0x7f41a5370000, 138412032 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] openat(AT_FDCWD, NULL, O_RDWR [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6245] <... memfd_create resumed>) = 3 [pid 6243] <... munmap resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6239] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6242] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6245] <... mmap resumed>) = 0x7f41a5370000 [pid 6243] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6242] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6240] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6243] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6243] close(3 [pid 6242] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6242] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6240] <... futex resumed>) = 0 [pid 6239] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6242] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = 0 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6240] <... futex resumed>) = 0 [pid 6239] sendfile(-1, -1, NULL, 553647746 [pid 6242] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6246 attached [pid 6242] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 6239] memfd_create("syzkaller", 0 [pid 6238] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... memfd_create resumed>) = 5 [pid 6238] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6246 [pid 6239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6239] <... mmap resumed>) = 0x7f41a5370000 [pid 6238] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6246] set_robust_list(0x5555683327a0, 24 [pid 6245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6243] <... close resumed>) = 0 [pid 6242] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6239] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6246] <... prctl resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] <... futex resumed>) = 0 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] setpgid(0, 0 [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6246] <... setpgid resumed>) = 0 [pid 6243] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6243] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 6242] mkdirat(AT_FDCWD, NULL, 0777) = -1 EFAULT (Bad address) [pid 6246] <... openat resumed>) = 3 [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] <... futex resumed>) = 0 [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... write resumed>) = 262144 [pid 6246] write(3, "1000", 4 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 6239] munmap(0x7f41a5370000, 138412032 [pid 6246] <... write resumed>) = 4 [pid 6243] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6242] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... munmap resumed>) = 0 [pid 6246] close(3 [pid 6243] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6242] <... openat resumed>) = 4 [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... close resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = 0 [pid 6246] write(1, "executing program\n", 18 [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... futex resumed>) = 1 executing program [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6239] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6246] <... write resumed>) = 18 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] <... futex resumed>) = 0 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = 0 [pid 6243] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] close(5 [pid 6246] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6246] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = 0 [pid 6246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... futex resumed>) = 1 [pid 6246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6239] <... close resumed>) = 0 [pid 6246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... mmap resumed>) = 0x7f41ad770000 [pid 6243] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 1 [pid 6246] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6243] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6242] openat(AT_FDCWD, NULL, O_RDWR [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... mprotect resumed>) = 0 [pid 6243] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6246] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] exit_group(0 [pid 6246] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = ? [pid 6238] <... exit_group resumed>) = ? [pid 6246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6245] <... write resumed>) = 1048576 [pid 6243] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6242] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] +++ exited with 0 +++ [pid 6245] munmap(0x7f41a5370000, 138412032 [pid 6241] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6247 attached [pid 6245] <... munmap resumed>) = 0 [pid 6242] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] <... futex resumed>) = 0 [pid 6247] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6246] <... clone3 resumed> => {parent_tid=[6247]}, 88) = 6247 [pid 6245] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] +++ exited with 0 +++ [pid 6247] <... rseq resumed>) = 0 [pid 6246] rt_sigprocmask(SIG_SETMASK, [] [pid 6245] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6243] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6242] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] set_robust_list(0x7f41ad7909a0, 24 [pid 6246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6238, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6247] <... set_robust_list resumed>) = 0 [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] close(3 [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] <... futex resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6247] rt_sigprocmask(SIG_SETMASK, [] [pid 6246] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] sendfile(-1, -1, NULL, 553647746 [pid 6241] <... futex resumed>) = 0 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] memfd_create("syzkaller", 0 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... memfd_create resumed>) = 3 [pid 6242] <... futex resumed>) = 1 [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6243] <... futex resumed>) = 0 [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] <... futex resumed>) = 1 [pid 6240] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... mmap resumed>) = 0x7f41a5370000 [pid 6243] mkdirat(AT_FDCWD, NULL, 0777 [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] <... futex resumed>) = 0 [pid 6243] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6242] memfd_create("syzkaller", 0 [pid 6240] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6242] <... memfd_create resumed>) = 5 [pid 6241] <... futex resumed>) = 0 [pid 6243] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... restart_syscall resumed>) = 0 [pid 6243] <... openat resumed>) = 4 [pid 6242] <... mmap resumed>) = 0x7f41a5370000 [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = 0 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6241] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = 0 [pid 6243] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6243] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6245] <... close resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6247] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 6245] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] openat(AT_FDCWD, NULL, O_RDWR [pid 6242] <... write resumed>) = 262144 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6244] <... futex resumed>) = 0 [pid 6243] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 6248 attached [pid 6245] <... futex resumed>) = 0 [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6248] set_robust_list(0x5555683327a0, 24 [pid 6247] <... write resumed>) = 1048576 [pid 6245] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] munmap(0x7f41a5370000, 138412032 [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... set_robust_list resumed>) = 0 [pid 6247] munmap(0x7f41a5370000, 138412032 [pid 6245] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... munmap resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6248 [pid 6248] rt_sigprocmask(SIG_SETMASK, [] [pid 6247] <... munmap resumed>) = 0 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6243] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6242] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6247] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6245] <... futex resumed>) = 0 [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6242] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6247] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6245] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] close(5 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6248] <... prctl resumed>) = 0 [pid 6247] close(3 [pid 6245] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6248] setpgid(0, 0 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... setpgid resumed>) = 0 [pid 6247] <... close resumed>) = 0 [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] sendfile(-1, -1, NULL, 553647746 [pid 6242] <... close resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... openat resumed>) = 3 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] <... futex resumed>) = 0 [pid 6248] write(3, "1000", 4 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] exit_group(0 [pid 6248] <... write resumed>) = 4 [pid 6247] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] close(3 [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = 0 [pid 6245] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6241] <... futex resumed>) = 1 [pid 6248] <... close resumed>) = 0 [pid 6247] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] memfd_create("syzkaller", 0 [pid 6242] <... futex resumed>) = ? [pid 6240] <... exit_group resumed>) = ? [pid 6248] write(1, "executing program\n", 18 [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] +++ exited with 0 +++ [pid 6243] <... memfd_create resumed>) = 5 executing program [pid 6245] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6241] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6248] <... write resumed>) = 18 [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 1 [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... mmap resumed>) = 0x7f41a5370000 [pid 6240] +++ exited with 0 +++ [pid 6248] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6247] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] mkdirat(AT_FDCWD, NULL, 0777 [pid 6244] <... futex resumed>) = 0 [pid 6248] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6247] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6245] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6240, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6243] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 [pid 6245] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6244] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6248] <... mmap resumed>) = 0x7f41ad770000 [pid 6247] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... openat resumed>) = 4 [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6247] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... mprotect resumed>) = 0 [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... write resumed>) = 262144 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6248] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6248] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] munmap(0x7f41a5370000, 138412032 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6244] <... futex resumed>) = 0 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... munmap resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6249 attached [pid 6247] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6243] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6249] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6248] <... clone3 resumed> => {parent_tid=[6249]}, 88) = 6249 [pid 6247] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... rseq resumed>) = 0 [pid 6248] rt_sigprocmask(SIG_SETMASK, [] [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6250 attached [pid 6249] set_robust_list(0x7f41ad7909a0, 24 [pid 6248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] close(5 [pid 6250] set_robust_list(0x5555683327a0, 24 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6250 [pid 6250] <... set_robust_list resumed>) = 0 [pid 6249] rt_sigprocmask(SIG_SETMASK, [] [pid 6248] <... futex resumed>) = 0 [pid 6247] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6243] <... close resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6250] rt_sigprocmask(SIG_SETMASK, [] [pid 6249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6245] openat(AT_FDCWD, NULL, O_RDWR [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6249] memfd_create("syzkaller", 0 [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6243] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6249] <... memfd_create resumed>) = 3 [pid 6247] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] exit_group(0 [pid 6250] <... prctl resumed>) = 0 [pid 6249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = ? [pid 6241] <... exit_group resumed>) = ? [pid 6250] setpgid(0, 0 [pid 6249] <... mmap resumed>) = 0x7f41a5370000 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 [pid 6245] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] mkdirat(AT_FDCWD, NULL, 0777 [pid 6243] +++ exited with 0 +++ [pid 6250] <... setpgid resumed>) = 0 [pid 6247] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6247] <... futex resumed>) = 0 [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6246] <... futex resumed>) = 0 [pid 6250] <... openat resumed>) = 3 [pid 6247] <... openat resumed>) = 4 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6247] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] +++ exited with 0 +++ [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6241, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6250] write(3, "1000", 4 [pid 6247] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6246] <... futex resumed>) = 0 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... write resumed>) = 4 [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6250] close(3 [pid 6249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6247] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... close resumed>) = 0 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] write(1, "executing program\n", 18 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6250] <... write resumed>) = 18 [pid 6247] openat(AT_FDCWD, NULL, O_RDWR [pid 6246] <... futex resumed>) = 0 [pid 6245] sendfile(-1, -1, NULL, 553647746 [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] <... futex resumed>) = 0 [pid 6247] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6250] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6250] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6247] <... futex resumed>) = 0 [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6247] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6246] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6247] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] memfd_create("syzkaller", 0 [pid 6244] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... memfd_create resumed>) = 5 [pid 6250] <... mmap resumed>) = 0x7f41ad770000 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6250] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6251 attached [pid 6250] <... mprotect resumed>) = 0 [pid 6247] sendfile(-1, -1, NULL, 553647746 [pid 6245] <... mmap resumed>) = 0x7f41a5370000 [pid 6251] set_robust_list(0x5555683327a0, 24) = 0 [pid 6247] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6251 [pid 6250] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] rt_sigprocmask(SIG_SETMASK, [] [pid 6247] <... futex resumed>) = 0 [pid 6246] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6247] memfd_create("syzkaller", 0 [pid 6251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6250] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6249] <... write resumed>) = 1048576 [pid 6247] <... memfd_create resumed>) = 5 [pid 6246] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6252 attached [pid 6251] <... prctl resumed>) = 0 [pid 6249] munmap(0x7f41a5370000, 138412032 [pid 6247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6246] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6245] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6252] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6251] setpgid(0, 0 [pid 6250] <... clone3 resumed> => {parent_tid=[6252]}, 88) = 6252 [pid 6249] <... munmap resumed>) = 0 [pid 6247] <... mmap resumed>) = 0x7f41a5370000 [pid 6250] rt_sigprocmask(SIG_SETMASK, [] [pid 6251] <... setpgid resumed>) = 0 [pid 6250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6252] <... rseq resumed>) = 0 [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6252] set_robust_list(0x7f41ad7909a0, 24 [pid 6251] <... openat resumed>) = 3 [pid 6250] <... futex resumed>) = 0 [pid 6249] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6247] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6245] <... write resumed>) = 262144 [pid 6252] <... set_robust_list resumed>) = 0 [pid 6251] write(3, "1000", 4 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6249] close(3 [pid 6245] munmap(0x7f41a5370000, 138412032 [pid 6252] rt_sigprocmask(SIG_SETMASK, [] [pid 6251] <... write resumed>) = 4 [pid 6247] <... write resumed>) = 262144 [pid 6252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6251] close(3 [pid 6249] <... close resumed>) = 0 [pid 6247] munmap(0x7f41a5370000, 138412032 [pid 6245] <... munmap resumed>) = 0 [pid 6252] memfd_create("syzkaller", 0 [pid 6251] <... close resumed>) = 0 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6252] <... memfd_create resumed>) = 3 [pid 6251] write(1, "executing program\n", 18 [pid 6249] <... futex resumed>) = 1 executing program [pid 6248] <... futex resumed>) = 0 [pid 6247] <... munmap resumed>) = 0 [pid 6245] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6251] <... write resumed>) = 18 [pid 6249] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] close(5 [pid 6252] <... mmap resumed>) = 0x7f41a5370000 [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 6247] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6251] <... futex resumed>) = 0 [pid 6249] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6247] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6249] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6245] <... close resumed>) = 0 [pid 6251] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6247] close(5 [pid 6251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... futex resumed>) = 0 [pid 6244] exit_group(0 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... futex resumed>) = ? [pid 6244] <... exit_group resumed>) = ? [pid 6251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6249] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6245] +++ exited with 0 +++ [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6249] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6247] <... close resumed>) = 0 [pid 6252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6251] <... mmap resumed>) = 0x7f41ad770000 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6251] <... mprotect resumed>) = 0 [pid 6249] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6244] +++ exited with 0 +++ [pid 6251] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 1 [pid 6247] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] exit_group(0 [pid 6251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6249] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] <... exit_group resumed>) = ? [pid 6249] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = ? [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6244, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- ci2-upstream-fs/strace-static-x86_64: Process 6253 attached [pid 6251] <... clone3 resumed> => {parent_tid=[6253]}, 88) = 6253 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6253] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6249] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... rseq resumed>) = 0 [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6253] set_robust_list(0x7f41ad7909a0, 24 [pid 6252] <... write resumed>) = 1048576 [pid 6251] rt_sigprocmask(SIG_SETMASK, [] [pid 6249] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] +++ exited with 0 +++ [pid 6246] +++ exited with 0 +++ [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6253] <... set_robust_list resumed>) = 0 [pid 6252] munmap(0x7f41a5370000, 138412032 [pid 6251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6249] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6253] rt_sigprocmask(SIG_SETMASK, [] [pid 6252] <... munmap resumed>) = 0 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6252] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6251] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6253] memfd_create("syzkaller", 0 [pid 6252] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6249] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6254 attached [pid 6253] <... memfd_create resumed>) = 3 [pid 6252] close(3 [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 6254] set_robust_list(0x5555683327a0, 24 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6254 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6249] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6254] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6253] <... mmap resumed>) = 0x7f41a5370000 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6255 attached [pid 6255] set_robust_list(0x5555683327a0, 24) = 0 [pid 6255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6255] setpgid(0, 0) = 0 [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6255 [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6254] <... prctl resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6255] <... openat resumed>) = 3 [pid 6254] setpgid(0, 0 [pid 6255] write(3, "1000", 4 [pid 6254] <... setpgid resumed>) = 0 [pid 6255] <... write resumed>) = 4 [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6255] close(3 [pid 6254] <... openat resumed>) = 3 [pid 6255] <... close resumed>) = 0 [pid 6255] write(1, "executing program\n", 18 executing program [pid 6254] write(3, "1000", 4 [pid 6255] <... write resumed>) = 18 [pid 6254] <... write resumed>) = 4 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6255] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6254] close(3 [pid 6255] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6254] <... close resumed>) = 0 [pid 6253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6254] write(1, "executing program\n", 18 [pid 6252] <... close resumed>) = 0 [pid 6249] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 executing program [pid 6255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6254] <... write resumed>) = 18 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6255] <... mmap resumed>) = 0x7f41ad770000 [pid 6255] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6255] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = 0 [pid 6249] mkdirat(AT_FDCWD, NULL, 0777 [pid 6254] <... futex resumed>) = 0 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6249] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6252] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6254] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6252] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6249] <... futex resumed>) = 0 [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6256 attached [pid 6254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6248] <... futex resumed>) = 0 [pid 6256] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6255] <... clone3 resumed> => {parent_tid=[6256]}, 88) = 6256 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... openat resumed>) = 4 [pid 6256] <... rseq resumed>) = 0 [pid 6255] rt_sigprocmask(SIG_SETMASK, [] [pid 6254] <... mmap resumed>) = 0x7f41ad770000 [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] set_robust_list(0x7f41ad7909a0, 24 [pid 6255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6254] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6252] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... mprotect resumed>) = 0 [pid 6252] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... write resumed>) = 1048576 [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] rt_sigprocmask(SIG_SETMASK, [] [pid 6255] <... futex resumed>) = 0 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6253] munmap(0x7f41a5370000, 138412032 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 6256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6254] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6253] <... munmap resumed>) = 0 [pid 6252] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] memfd_create("syzkaller", 0 [pid 6254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6253] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) ci2-upstream-fs/strace-static-x86_64: Process 6257 attached [pid 6256] <... memfd_create resumed>) = 3 [pid 6253] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6254] <... clone3 resumed> => {parent_tid=[6257]}, 88) = 6257 [pid 6253] close(3 [pid 6252] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6257] <... rseq resumed>) = 0 [pid 6256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6254] rt_sigprocmask(SIG_SETMASK, [] [pid 6257] set_robust_list(0x7f41ad7909a0, 24 [pid 6256] <... mmap resumed>) = 0x7f41a5370000 [pid 6252] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] openat(AT_FDCWD, NULL, O_RDWR [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... set_robust_list resumed>) = 0 [pid 6254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6248] <... futex resumed>) = 0 [pid 6257] rt_sigprocmask(SIG_SETMASK, [] [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... close resumed>) = 0 [pid 6257] memfd_create("syzkaller", 0 [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... memfd_create resumed>) = 3 [pid 6256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6253] <... futex resumed>) = 1 [pid 6252] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6251] <... futex resumed>) = 0 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 6257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... mmap resumed>) = 0x7f41a5370000 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6249] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6253] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6249] sendfile(-1, -1, NULL, 553647746 [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... futex resumed>) = 1 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] <... futex resumed>) = 0 [pid 6249] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6248] <... futex resumed>) = 0 [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] memfd_create("syzkaller", 0 [pid 6248] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6252] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6253] <... futex resumed>) = 1 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6249] <... memfd_create resumed>) = 5 [pid 6253] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6252] <... futex resumed>) = 1 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... futex resumed>) = 0 [pid 6249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6253] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] <... futex resumed>) = 0 [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... futex resumed>) = 0 [pid 6249] <... mmap resumed>) = 0x7f41a5370000 [pid 6253] <... futex resumed>) = 0 [pid 6252] mkdirat(AT_FDCWD, NULL, 0777 [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] <... futex resumed>) = 0 [pid 6253] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0) = -1 EBADF (Bad file descriptor) [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... futex resumed>) = 0 [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] <... futex resumed>) = 0 [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6256] <... write resumed>) = 1048576 [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... futex resumed>) = 0 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] munmap(0x7f41a5370000, 138412032 [pid 6252] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6256] <... munmap resumed>) = 0 [pid 6256] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6252] <... openat resumed>) = 4 [pid 6257] <... write resumed>) = 1048576 [pid 6253] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... write resumed>) = 262144 [pid 6257] munmap(0x7f41a5370000, 138412032 [pid 6256] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6249] munmap(0x7f41a5370000, 138412032 [pid 6257] <... munmap resumed>) = 0 [pid 6256] close(3 [pid 6253] <... futex resumed>) = 1 [pid 6252] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6251] <... futex resumed>) = 0 [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... munmap resumed>) = 0 [pid 6257] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... futex resumed>) = 0 [pid 6249] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6257] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6257] close(3 [pid 6253] mkdirat(AT_FDCWD, NULL, 0777 [pid 6252] <... futex resumed>) = 0 [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] close(5 [pid 6253] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6252] openat(AT_FDCWD, NULL, O_RDWR [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... futex resumed>) = 1 [pid 6252] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6251] <... futex resumed>) = 0 [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6253] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] <... futex resumed>) = 0 [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... close resumed>) = 0 [pid 6253] <... openat resumed>) = 4 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... futex resumed>) = 0 [pid 6252] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... close resumed>) = 0 [pid 6252] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = 1 [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6256] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] exit_group(0 [pid 6257] <... close resumed>) = 0 [pid 6256] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6255] <... futex resumed>) = 0 [pid 6253] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6248] <... exit_group resumed>) = ? [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] sendfile(-1, -1, NULL, 553647746 [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = 0 [pid 6252] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6257] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6256] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6255] <... futex resumed>) = 0 [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] openat(AT_FDCWD, NULL, O_RDWR [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6249] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] memfd_create("syzkaller", 0 [pid 6250] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6257] <... futex resumed>) = 1 [pid 6256] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = 1 [pid 6252] <... memfd_create resumed>) = 5 [pid 6251] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6248, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... futex resumed>) = 0 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] <... mmap resumed>) = 0x7f41a5370000 [pid 6251] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 6257] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6256] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6252] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = 1 [pid 6256] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... futex resumed>) = 0 [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... futex resumed>) = 1 [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6257] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6256] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... futex resumed>) = 0 [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... futex resumed>) = 0 [pid 6252] <... write resumed>) = 262144 [pid 6251] <... futex resumed>) = 1 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] sendfile(-1, -1, NULL, 553647746 [pid 6252] munmap(0x7f41a5370000, 138412032 [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6256] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6254] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 0 [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... munmap resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6257] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6251] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6258 attached [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... futex resumed>) = 1 [pid 6252] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6251] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] set_robust_list(0x5555683327a0, 24 [pid 6257] <... futex resumed>) = 0 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] memfd_create("syzkaller", 0 [pid 6252] close(5 [pid 6251] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6258 [pid 6258] <... set_robust_list resumed>) = 0 [pid 6257] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6256] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... futex resumed>) = 0 [pid 6251] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6258] rt_sigprocmask(SIG_SETMASK, [] [pid 6256] mkdirat(AT_FDCWD, NULL, 0777 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... memfd_create resumed>) = 5 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6256] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... prctl resumed>) = 0 [pid 6257] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6253] <... mmap resumed>) = 0x7f41a5370000 [pid 6252] <... close resumed>) = 0 [pid 6258] setpgid(0, 0 [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... openat resumed>) = 4 [pid 6252] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6258] <... setpgid resumed>) = 0 [pid 6257] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = 0 [pid 6252] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6258] <... openat resumed>) = 3 [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] write(3, "1000", 4 [pid 6257] <... futex resumed>) = 0 [pid 6256] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 1 [pid 6253] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6250] exit_group(0 [pid 6258] <... write resumed>) = 4 [pid 6257] mkdirat(AT_FDCWD, NULL, 0777 [pid 6256] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... exit_group resumed>) = ? [pid 6252] <... futex resumed>) = ? [pid 6258] close(3 [pid 6257] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6256] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... close resumed>) = 0 [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6258] write(1, "executing program\n", 18 [pid 6257] <... futex resumed>) = 1 executing program [pid 6256] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6258] <... write resumed>) = 18 [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... futex resumed>) = 0 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... write resumed>) = 262144 [pid 6252] +++ exited with 0 +++ [pid 6250] +++ exited with 0 +++ [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] openat(AT_FDCWD, NULL, O_RDWR [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... futex resumed>) = 0 [pid 6253] munmap(0x7f41a5370000, 138412032 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6250, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6258] <... futex resumed>) = 0 [pid 6257] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6256] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... munmap resumed>) = 0 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6258] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6257] <... openat resumed>) = 4 [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6258] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6253] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... restart_syscall resumed>) = 0 [pid 6258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6257] <... futex resumed>) = 1 [pid 6256] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6253] close(5 [pid 6258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... futex resumed>) = 0 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6254] <... futex resumed>) = 0 [pid 6253] <... close resumed>) = 0 [pid 6257] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6258] <... mmap resumed>) = 0x7f41ad770000 [pid 6257] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6258] <... mprotect resumed>) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] exit_group(0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6258] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6257] openat(AT_FDCWD, NULL, O_RDWR [pid 6256] <... futex resumed>) = 0 [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = ? [pid 6251] <... exit_group resumed>) = ? [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6258] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6257] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6256] sendfile(-1, -1, NULL, 553647746 [pid 6255] <... futex resumed>) = 0 [pid 6258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6259 attached [pid 6257] <... futex resumed>) = 0 [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6260 attached [pid 6259] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6258] <... clone3 resumed> => {parent_tid=[6259]}, 88) = 6259 [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] <... futex resumed>) = 0 [pid 6255] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] +++ exited with 0 +++ [pid 6251] +++ exited with 0 +++ [pid 6260] set_robust_list(0x5555683327a0, 24 [pid 6259] <... rseq resumed>) = 0 [pid 6258] rt_sigprocmask(SIG_SETMASK, [] [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... set_robust_list resumed>) = 0 [pid 6259] set_robust_list(0x7f41ad7909a0, 24 [pid 6258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6257] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6256] memfd_create("syzkaller", 0 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6260 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6251, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6260] rt_sigprocmask(SIG_SETMASK, [] [pid 6259] <... set_robust_list resumed>) = 0 [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6256] <... memfd_create resumed>) = 5 [pid 6255] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6259] rt_sigprocmask(SIG_SETMASK, [] [pid 6258] <... futex resumed>) = 0 [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6256] <... mmap resumed>) = 0x7f41a5370000 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6259] memfd_create("syzkaller", 0 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6257] <... futex resumed>) = 0 [pid 6256] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6259] <... memfd_create resumed>) = 3 [pid 6257] sendfile(-1, -1, NULL, 553647746 [pid 6254] <... futex resumed>) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6260] <... prctl resumed>) = 0 [pid 6259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] setpgid(0, 0 [pid 6259] <... mmap resumed>) = 0x7f41a5370000 [pid 6257] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6260] <... setpgid resumed>) = 0 [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6257] <... futex resumed>) = 1 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] <... futex resumed>) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6260] <... openat resumed>) = 3 [pid 6256] <... write resumed>) = 262144 [pid 6254] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6260] write(3, "1000", 4 [pid 6256] munmap(0x7f41a5370000, 138412032 [pid 6254] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6260] <... write resumed>) = 4 [pid 6257] <... futex resumed>) = 0 [pid 6256] <... munmap resumed>) = 0 [pid 6260] close(3 [pid 6256] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6260] <... close resumed>) = 0 [pid 6260] write(1, "executing program\n", 18 executing program [pid 6257] memfd_create("syzkaller", 0) = 5 [pid 6256] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6261 attached [pid 6260] <... write resumed>) = 18 [pid 6257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6256] close(5 [pid 6261] set_robust_list(0x5555683327a0, 24 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... mmap resumed>) = 0x7f41a5370000 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] <... futex resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6261 [pid 6261] rt_sigprocmask(SIG_SETMASK, [] [pid 6260] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6260] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6257] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6256] <... close resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6261] <... prctl resumed>) = 0 [pid 6256] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6256] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6255] exit_group(0 [pid 6261] setpgid(0, 0 [pid 6260] <... mmap resumed>) = 0x7f41ad770000 [pid 6256] <... futex resumed>) = ? [pid 6255] <... exit_group resumed>) = ? [pid 6261] <... setpgid resumed>) = 0 [pid 6260] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6257] <... write resumed>) = 262144 [pid 6261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6260] <... mprotect resumed>) = 0 [pid 6256] +++ exited with 0 +++ [pid 6260] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6261] <... openat resumed>) = 3 [pid 6260] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6262 attached => {parent_tid=[6262]}, 88) = 6262 [pid 6257] munmap(0x7f41a5370000, 138412032 [pid 6261] write(3, "1000", 4 [pid 6260] rt_sigprocmask(SIG_SETMASK, [] [pid 6257] <... munmap resumed>) = 0 [pid 6261] <... write resumed>) = 4 [pid 6260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6261] close(3) = 0 [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] write(1, "executing program\n", 18 [pid 6260] <... futex resumed>) = 0 executing program [pid 6257] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6261] <... write resumed>) = 18 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6261] <... futex resumed>) = 0 [pid 6261] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6262] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6261] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6257] close(5 [pid 6262] <... rseq resumed>) = 0 [pid 6261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6262] set_robust_list(0x7f41ad7909a0, 24 [pid 6261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6262] <... set_robust_list resumed>) = 0 [pid 6261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6255] +++ exited with 0 +++ [pid 6262] rt_sigprocmask(SIG_SETMASK, [] [pid 6261] <... mmap resumed>) = 0x7f41ad770000 [pid 6262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6261] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6257] <... close resumed>) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6255, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6262] memfd_create("syzkaller", 0 [pid 6261] <... mprotect resumed>) = 0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6261] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6257] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... memfd_create resumed>) = 3 [pid 6261] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6257] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6257] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] exit_group(0 [pid 6262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6257] <... futex resumed>) = ? [pid 6254] <... exit_group resumed>) = ? ci2-upstream-fs/strace-static-x86_64: Process 6263 attached [pid 6262] <... mmap resumed>) = 0x7f41a5370000 [pid 6257] +++ exited with 0 +++ [pid 6263] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6261] <... clone3 resumed> => {parent_tid=[6263]}, 88) = 6263 [pid 6263] <... rseq resumed>) = 0 [pid 6261] rt_sigprocmask(SIG_SETMASK, [] [pid 6263] set_robust_list(0x7f41ad7909a0, 24 [pid 6254] +++ exited with 0 +++ [pid 5603] <... restart_syscall resumed>) = 0 [pid 6263] <... set_robust_list resumed>) = 0 [pid 6261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6254, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6263] rt_sigprocmask(SIG_SETMASK, [] [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6261] <... futex resumed>) = 0 [pid 6263] memfd_create("syzkaller", 0 [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] <... restart_syscall resumed>) = 0 [pid 6263] <... memfd_create resumed>) = 3 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6259] <... write resumed>) = 1048576 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6263] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6262] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6259] munmap(0x7f41a5370000, 138412032 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6259] <... munmap resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6259] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6259] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6259] close(3ci2-upstream-fs/strace-static-x86_64: Process 6264 attached [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6264 [pid 5602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6264] set_robust_list(0x5555683327a0, 24) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6265 ci2-upstream-fs/strace-static-x86_64: Process 6265 attached [pid 6264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6264] setpgid(0, 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6265] set_robust_list(0x5555683327a0, 24 [pid 6264] <... setpgid resumed>) = 0 [pid 6264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] <... set_robust_list resumed>) = 0 [pid 6265] rt_sigprocmask(SIG_SETMASK, [] [pid 6264] <... openat resumed>) = 3 [pid 6265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6264] write(3, "1000", 4 [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6264] <... write resumed>) = 4 [pid 6264] close(3 [pid 6265] <... prctl resumed>) = 0 [pid 6264] <... close resumed>) = 0 [pid 6264] write(1, "executing program\n", 18 [pid 6265] setpgid(0, 0 [pid 6264] <... write resumed>) = 18 [pid 6265] <... setpgid resumed>) = 0 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6264] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 executing program [pid 6265] <... openat resumed>) = 3 [pid 6264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6263] <... write resumed>) = 1048576 [pid 6264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6264] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6264] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6265] write(3, "1000", 4 [pid 6264] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6263] munmap(0x7f41a5370000, 138412032ci2-upstream-fs/strace-static-x86_64: Process 6266 attached [pid 6265] <... write resumed>) = 4 [pid 6263] <... munmap resumed>) = 0 [pid 6259] <... close resumed>) = 0 [pid 6265] close(3 [pid 6266] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6265] <... close resumed>) = 0 [pid 6264] <... clone3 resumed> => {parent_tid=[6266]}, 88) = 6266 [pid 6266] <... rseq resumed>) = 0 [pid 6264] rt_sigprocmask(SIG_SETMASK, [] [pid 6263] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6266] set_robust_list(0x7f41ad7909a0, 24 [pid 6265] write(1, "executing program\n", 18 [pid 6264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6263] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] <... write resumed>) = 18 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6266] rt_sigprocmask(SIG_SETMASK, [] [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6263] close(3 [pid 6259] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6262] <... write resumed>) = 1048576 [pid 6259] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6258] <... futex resumed>) = 0 [pid 6266] memfd_create("syzkaller", 0 [pid 6265] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6262] munmap(0x7f41a5370000, 138412032 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... memfd_create resumed>) = 3 [pid 6265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6262] <... munmap resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6262] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6259] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6258] <... futex resumed>) = 0 [pid 6266] <... mmap resumed>) = 0x7f41a5370000 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6263] <... close resumed>) = 0 [pid 6262] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6259] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] <... mmap resumed>) = 0x7f41ad770000 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] close(3 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6263] <... futex resumed>) = 1 [pid 6265] <... mprotect resumed>) = 0 [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 6259] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6263] <... futex resumed>) = 0 [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6263] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6263] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6259] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6267 attached [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6265] <... clone3 resumed> => {parent_tid=[6267]}, 88) = 6267 [pid 6263] <... futex resumed>) = 1 [pid 6262] <... close resumed>) = 0 [pid 6261] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 6267] <... rseq resumed>) = 0 [pid 6265] rt_sigprocmask(SIG_SETMASK, [] [pid 6263] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] set_robust_list(0x7f41ad7909a0, 24 [pid 6265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6263] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6262] <... futex resumed>) = 1 [pid 6261] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = 0 [pid 6259] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... set_robust_list resumed>) = 0 [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] rt_sigprocmask(SIG_SETMASK, [] [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6266] <... write resumed>) = 1048576 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] memfd_create("syzkaller", 0 [pid 6266] munmap(0x7f41a5370000, 138412032 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = 0 [pid 6262] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... memfd_create resumed>) = 3 [pid 6266] <... munmap resumed>) = 0 [pid 6263] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6266] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6263] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6262] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6267] <... mmap resumed>) = 0x7f41a5370000 [pid 6266] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6266] close(3 [pid 6260] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6262] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6259] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 1 [pid 6261] <... futex resumed>) = 0 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] mkdirat(AT_FDCWD, NULL, 0777 [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6258] <... futex resumed>) = 0 [pid 6267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6266] <... close resumed>) = 0 [pid 6263] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... futex resumed>) = 1 [pid 6264] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 0 [pid 6262] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 6266] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6264] <... futex resumed>) = 0 [pid 6263] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 0 [pid 6259] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... futex resumed>) = 1 [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = 0 [pid 6259] <... openat resumed>) = 4 [pid 6266] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6264] <... futex resumed>) = 0 [pid 6263] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6266] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 1 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 0 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] <... futex resumed>) = 1 [pid 6264] <... futex resumed>) = 0 [pid 6262] <... futex resumed>) = 1 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 0 [pid 6259] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6263] mkdirat(AT_FDCWD, NULL, 0777 [pid 6267] <... write resumed>) = 1048576 [pid 6266] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6264] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = 0 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] munmap(0x7f41a5370000, 138412032 [pid 6266] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] <... futex resumed>) = 0 [pid 6262] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... futex resumed>) = 1 [pid 6267] <... munmap resumed>) = 0 [pid 6266] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] <... futex resumed>) = 0 [pid 6267] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6267] close(3 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6259] openat(AT_FDCWD, NULL, O_RDWR [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... futex resumed>) = 1 [pid 6264] <... futex resumed>) = 0 [pid 6259] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6258] <... futex resumed>) = 0 [pid 6266] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = 1 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... close resumed>) = 0 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6264] <... futex resumed>) = 0 [pid 6263] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... openat resumed>) = 4 [pid 6262] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... futex resumed>) = 1 [pid 6266] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 1 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... futex resumed>) = 0 [pid 6259] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6262] mkdirat(AT_FDCWD, NULL, 0777 [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] <... futex resumed>) = 0 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] <... futex resumed>) = 0 [pid 6262] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6267] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6263] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = 1 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = 0 [pid 6263] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... futex resumed>) = 1 [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = 1 [pid 6259] sendfile(-1, -1, NULL, 553647746 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 1 [pid 6262] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... openat resumed>) = 4 [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6266] mkdirat(AT_FDCWD, NULL, 0777 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6263] openat(AT_FDCWD, NULL, O_RDWR [pid 6262] <... futex resumed>) = 1 [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 1 [pid 6258] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = 1 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = 0 [pid 6263] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] memfd_create("syzkaller", 0 [pid 6258] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... futex resumed>) = 1 [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... futex resumed>) = 0 [pid 6259] <... memfd_create resumed>) = 5 [pid 6258] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 1 [pid 6262] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6267] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... mmap resumed>) = 0x7f41a5370000 [pid 6267] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6262] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 6263] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... openat resumed>) = 4 [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = 0 [pid 6267] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6267] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] sendfile(-1, -1, NULL, 553647746 [pid 6259] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6262] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6264] <... futex resumed>) = 0 [pid 6263] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] openat(AT_FDCWD, NULL, O_RDWR [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] <... futex resumed>) = 0 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6264] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6266] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 0 [pid 6259] <... write resumed>) = 262144 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] munmap(0x7f41a5370000, 138412032 [pid 6267] <... futex resumed>) = 1 [pid 6266] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] memfd_create("syzkaller", 0 [pid 6262] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6261] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] openat(AT_FDCWD, NULL, O_RDWR [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6263] <... memfd_create resumed>) = 5 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... munmap resumed>) = 0 [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6262] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6259] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6267] mkdirat(AT_FDCWD, NULL, 0777 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... mmap resumed>) = 0x7f41a5370000 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6266] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 0 [pid 6262] sendfile(-1, -1, NULL, 553647746 [pid 6267] <... futex resumed>) = 1 [pid 6266] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... futex resumed>) = 0 [pid 6259] close(5 [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6266] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = 0 [pid 6262] <... futex resumed>) = 0 [pid 6267] <... openat resumed>) = 4 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] sendfile(-1, -1, NULL, 553647746 [pid 6264] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 1 [pid 6266] <... futex resumed>) = 0 [pid 6263] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6267] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] memfd_create("syzkaller", 0 [pid 6260] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... memfd_create resumed>) = 5 [pid 6267] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6266] <... futex resumed>) = 0 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6264] <... futex resumed>) = 1 [pid 6262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6267] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6266] memfd_create("syzkaller", 0 [pid 6264] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6262] <... mmap resumed>) = 0x7f41a5370000 [pid 6259] <... close resumed>) = 0 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... memfd_create resumed>) = 5 [pid 6263] <... write resumed>) = 262144 [pid 6259] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6267] <... futex resumed>) = 1 [pid 6266] <... mmap resumed>) = 0x7f41a5370000 [pid 6265] <... futex resumed>) = 0 [pid 6263] munmap(0x7f41a5370000, 138412032 [pid 6259] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6259] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] exit_group(0 [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6265] <... futex resumed>) = 0 [pid 6263] <... munmap resumed>) = 0 [pid 6258] <... exit_group resumed>) = ? [pid 6259] <... futex resumed>) = ? [pid 6267] openat(AT_FDCWD, NULL, O_RDWR) = -1 EFAULT (Bad address) [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] +++ exited with 0 +++ [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... write resumed>) = 262144 [pid 6267] <... futex resumed>) = 0 [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6267] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6265] <... futex resumed>) = 0 [pid 6263] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6267] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] close(5 [pid 6262] munmap(0x7f41a5370000, 138412032 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... write resumed>) = 262144 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... munmap resumed>) = 0 [pid 6258] +++ exited with 0 +++ [pid 6267] <... futex resumed>) = 0 [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] munmap(0x7f41a5370000, 138412032 [pid 6265] <... futex resumed>) = 0 [pid 6267] sendfile(-1, -1, NULL, 553647746 [pid 6266] <... munmap resumed>) = 0 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6267] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6258, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6262] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6267] <... futex resumed>) = 1 [pid 6266] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6265] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 1 [pid 6262] close(5 [pid 6261] <... futex resumed>) = 0 [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] close(5 [pid 6265] <... futex resumed>) = 0 [pid 6263] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] exit_group(0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6267] memfd_create("syzkaller", 0 [pid 6266] <... close resumed>) = 0 [pid 6265] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6263] <... futex resumed>) = ? [pid 6261] <... exit_group resumed>) = ? [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6267] <... memfd_create resumed>) = 5 [pid 6266] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... close resumed>) = 0 [pid 6267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6266] <... futex resumed>) = 1 [pid 6264] <... futex resumed>) = 0 [pid 6262] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] exit_group(0 [pid 6263] +++ exited with 0 +++ [pid 6262] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6267] <... mmap resumed>) = 0x7f41a5370000 [pid 6266] <... futex resumed>) = ? [pid 6264] <... exit_group resumed>) = ? [pid 6262] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] exit_group(0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6266] +++ exited with 0 +++ [pid 6261] +++ exited with 0 +++ [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6262] <... futex resumed>) = ? [pid 6260] <... exit_group resumed>) = ? [pid 6262] +++ exited with 0 +++ ci2-upstream-fs/strace-static-x86_64: Process 6268 attached [pid 6267] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6261, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6268] set_robust_list(0x5555683327a0, 24) = 0 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6267] <... write resumed>) = 262144 [pid 6264] +++ exited with 0 +++ [pid 6260] +++ exited with 0 +++ [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6268 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6267] munmap(0x7f41a5370000, 138412032 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6260, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6264, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5601] <... restart_syscall resumed>) = 0 [pid 6268] <... prctl resumed>) = 0 [pid 6268] setpgid(0, 0 [pid 6267] <... munmap resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6268] <... setpgid resumed>) = 0 [pid 6267] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6267] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6268] <... openat resumed>) = 3 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6268] write(3, "1000", 4 [pid 6267] close(5 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6268] <... write resumed>) = 4 [pid 6267] <... close resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6268] close(3 [pid 6267] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6267] <... futex resumed>) = 1 [pid 6268] <... close resumed>) = 0 [pid 6267] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... futex resumed>) = 0 [pid 6265] exit_group(0 executing program [pid 6268] write(1, "executing program\n", 18) = 18 [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6268] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6267] <... futex resumed>) = ? [pid 6265] <... exit_group resumed>) = ? [pid 6268] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6267] +++ exited with 0 +++ ci2-upstream-fs/strace-static-x86_64: Process 6269 attached ci2-upstream-fs/strace-static-x86_64: Process 6270 attached [pid 6268] <... mmap resumed>) = 0x7f41ad770000 [pid 6268] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6265] +++ exited with 0 +++ [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6270 ci2-upstream-fs/strace-static-x86_64: Process 6271 attached [pid 6270] set_robust_list(0x5555683327a0, 24 [pid 6269] set_robust_list(0x5555683327a0, 24 [pid 6268] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6269 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6271] set_robust_list(0x5555683327a0, 24 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6269] <... set_robust_list resumed>) = 0 [pid 6268] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6271 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6265, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6270] rt_sigprocmask(SIG_SETMASK, [] [pid 6269] rt_sigprocmask(SIG_SETMASK, [] [pid 6268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6272 attached [pid 6271] rt_sigprocmask(SIG_SETMASK, [] [pid 6269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6272] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] <... clone3 resumed> => {parent_tid=[6272]}, 88) = 6272 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6272] <... rseq resumed>) = 0 [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6272] set_robust_list(0x7f41ad7909a0, 24 [pid 6271] <... prctl resumed>) = 0 [pid 6269] <... prctl resumed>) = 0 [pid 6268] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6272] <... set_robust_list resumed>) = 0 [pid 6271] setpgid(0, 0 [pid 6270] <... prctl resumed>) = 0 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] rt_sigprocmask(SIG_SETMASK, [] [pid 6271] <... setpgid resumed>) = 0 [pid 6270] setpgid(0, 0 [pid 6269] setpgid(0, 0 [pid 6268] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6272] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6270] <... setpgid resumed>) = 0 [pid 6269] <... setpgid resumed>) = 0 [pid 6272] memfd_create("syzkaller", 0 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6271] <... openat resumed>) = 3 [pid 6272] <... memfd_create resumed>) = 3 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6271] write(3, "1000", 4 [pid 6270] <... openat resumed>) = 3 [pid 6269] <... openat resumed>) = 3 ci2-upstream-fs/strace-static-x86_64: Process 6273 attached [pid 6272] <... mmap resumed>) = 0x7f41a5370000 [pid 6271] <... write resumed>) = 4 [pid 6270] write(3, "1000", 4 [pid 6269] write(3, "1000", 4 [pid 6272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6271] close(3 [pid 6270] <... write resumed>) = 4 [pid 6269] <... write resumed>) = 4 [pid 6273] set_robust_list(0x5555683327a0, 24 [pid 6271] <... close resumed>) = 0 [pid 6270] close(3 [pid 6269] close(3 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6273 [pid 6273] <... set_robust_list resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6273] rt_sigprocmask(SIG_SETMASK, [] [pid 6271] write(1, "executing program\n", 18 [pid 6270] <... close resumed>) = 0 [pid 6269] <... close resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6273] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program executing program executing program [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6271] <... write resumed>) = 18 [pid 6270] write(1, "executing program\n", 18 [pid 6269] write(1, "executing program\n", 18 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... write resumed>) = 18 [pid 6269] <... write resumed>) = 18 [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... prctl resumed>) = 0 [pid 6271] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6270] <... futex resumed>) = 0 [pid 6273] setpgid(0, 0 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... setpgid resumed>) = 0 [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6270] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6269] <... futex resumed>) = 0 [pid 6273] <... openat resumed>) = 3 [pid 6273] write(3, "1000", 4 [pid 6272] <... write resumed>) = 1048576 [pid 6271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6270] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6269] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6273] <... write resumed>) = 4 [pid 6271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6269] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6273] close(3 [pid 6272] munmap(0x7f41a5370000, 138412032 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6273] <... close resumed>) = 0 [pid 6271] <... mmap resumed>) = 0x7f41ad770000 [pid 6272] <... munmap resumed>) = 0 [pid 6273] write(1, "executing program\n", 18 [pid 6272] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6271] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6270] <... mmap resumed>) = 0x7f41ad770000 executing program [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6273] <... write resumed>) = 18 [pid 6272] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6271] <... mprotect resumed>) = 0 [pid 6270] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6269] <... mmap resumed>) = 0x7f41ad770000 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] close(3 [pid 6271] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6273] <... futex resumed>) = 0 [pid 6273] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6271] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6270] <... mprotect resumed>) = 0 [pid 6269] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6273] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6269] <... mprotect resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 6274 attached ) = 0x7f41ad770000 [pid 6270] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6269] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6273] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6271] <... clone3 resumed> => {parent_tid=[6274]}, 88) = 6274 [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6274] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6273] <... mprotect resumed>) = 0 [pid 6271] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6275 attached ci2-upstream-fs/strace-static-x86_64: Process 6276 attached [pid 6275] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6270] <... clone3 resumed> => {parent_tid=[6275]}, 88) = 6275 [pid 6276] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6275] <... rseq resumed>) = 0 [pid 6274] <... rseq resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] rt_sigprocmask(SIG_SETMASK, [] [pid 6269] <... clone3 resumed> => {parent_tid=[6276]}, 88) = 6276 [pid 6276] <... rseq resumed>) = 0 [pid 6275] set_robust_list(0x7f41ad7909a0, 24 [pid 6274] set_robust_list(0x7f41ad7909a0, 24 [pid 6273] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6269] rt_sigprocmask(SIG_SETMASK, [] [pid 6276] set_robust_list(0x7f41ad7909a0, 24 [pid 6275] <... set_robust_list resumed>) = 0 [pid 6274] <... set_robust_list resumed>) = 0 [pid 6273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6277 attached [pid 6276] <... set_robust_list resumed>) = 0 [pid 6274] rt_sigprocmask(SIG_SETMASK, [] [pid 6276] rt_sigprocmask(SIG_SETMASK, [] [pid 6275] rt_sigprocmask(SIG_SETMASK, [] [pid 6274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6272] <... close resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6277] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6273] <... clone3 resumed> => {parent_tid=[6277]}, 88) = 6277 [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... rseq resumed>) = 0 [pid 6276] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6274] memfd_create("syzkaller", 0 [pid 6273] rt_sigprocmask(SIG_SETMASK, [] [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6269] <... futex resumed>) = 0 [pid 6277] set_robust_list(0x7f41ad7909a0, 24 [pid 6276] memfd_create("syzkaller", 0 [pid 6275] memfd_create("syzkaller", 0 [pid 6274] <... memfd_create resumed>) = 3 [pid 6273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6272] <... futex resumed>) = 1 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6268] <... futex resumed>) = 0 [pid 6277] <... set_robust_list resumed>) = 0 [pid 6276] <... memfd_create resumed>) = 3 [pid 6275] <... memfd_create resumed>) = 3 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6277] rt_sigprocmask(SIG_SETMASK, [] [pid 6276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6273] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6277] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6276] <... mmap resumed>) = 0x7f41a5370000 [pid 6274] <... mmap resumed>) = 0x7f41a5370000 [pid 6272] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6277] memfd_create("syzkaller", 0 [pid 6275] <... mmap resumed>) = 0x7f41a5370000 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6277] <... memfd_create resumed>) = 3 [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6268] <... futex resumed>) = 0 [pid 6277] <... mmap resumed>) = 0x7f41a5370000 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6272] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6268] <... futex resumed>) = 0 [pid 6275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6274] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6272] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... futex resumed>) = 0 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6268] <... futex resumed>) = 0 [pid 6276] <... write resumed>) = 1048576 [pid 6272] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6276] munmap(0x7f41a5370000, 138412032 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6276] <... munmap resumed>) = 0 [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6268] <... futex resumed>) = 0 [pid 6276] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6272] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6276] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6276] close(3 [pid 6272] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6268] <... futex resumed>) = 0 [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... futex resumed>) = 0 [pid 6276] <... close resumed>) = 0 [pid 6272] mkdirat(AT_FDCWD, NULL, 0777) = -1 EFAULT (Bad address) [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6269] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6276] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = 0 [pid 6276] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... futex resumed>) = 1 [pid 6276] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6272] <... futex resumed>) = 0 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... write resumed>) = 1048576 [pid 6276] <... futex resumed>) = 1 [pid 6275] <... write resumed>) = 1048576 [pid 6274] <... write resumed>) = 1048576 [pid 6272] <... openat resumed>) = 4 [pid 6269] <... futex resumed>) = 0 [pid 6277] munmap(0x7f41a5370000, 138412032 [pid 6276] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] munmap(0x7f41a5370000, 138412032 [pid 6274] munmap(0x7f41a5370000, 138412032 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... munmap resumed>) = 0 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... munmap resumed>) = 0 [pid 6272] <... futex resumed>) = 1 [pid 6269] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6277] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6276] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6274] <... munmap resumed>) = 0 [pid 6272] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6276] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6275] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6274] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6272] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... futex resumed>) = 0 [pid 6277] close(3 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6274] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6276] <... futex resumed>) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] close(3 [pid 6274] close(3 [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6268] <... futex resumed>) = 0 [pid 6277] <... close resumed>) = 0 [pid 6276] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6275] <... close resumed>) = 0 [pid 6274] <... close resumed>) = 0 [pid 6272] openat(AT_FDCWD, NULL, O_RDWR [pid 6269] <... futex resumed>) = 0 [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... futex resumed>) = 1 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] <... futex resumed>) = 0 [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 1 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6276] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6274] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... futex resumed>) = 0 [pid 6275] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6272] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6275] <... futex resumed>) = 1 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = 0 [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6268] <... futex resumed>) = 0 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... futex resumed>) = 1 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6274] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6272] sendfile(-1, -1, NULL, 553647746 [pid 6270] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6276] <... futex resumed>) = 1 [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = 1 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] <... futex resumed>) = 0 [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] <... futex resumed>) = 0 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 6272] memfd_create("syzkaller", 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6275] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... memfd_create resumed>) = 5 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6275] <... futex resumed>) = 0 [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = 0 [pid 6272] <... mmap resumed>) = 0x7f41a5370000 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6276] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6275] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6274] <... futex resumed>) = 1 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6277] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6276] <... futex resumed>) = 1 [pid 6275] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] mkdirat(AT_FDCWD, NULL, 0777 [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = 0 [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6275] <... futex resumed>) = 0 [pid 6274] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... write resumed>) = 262144 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... futex resumed>) = 0 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6274] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] munmap(0x7f41a5370000, 138412032 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] <... futex resumed>) = 0 [pid 6275] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6272] <... munmap resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6277] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6276] <... openat resumed>) = 4 [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... futex resumed>) = 0 [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] close(5 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 1 [pid 6276] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... futex resumed>) = 0 [pid 6275] mkdirat(AT_FDCWD, NULL, 0777 [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6276] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6274] <... futex resumed>) = 1 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6277] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6276] openat(AT_FDCWD, NULL, O_RDWR [pid 6275] <... futex resumed>) = 0 [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... close resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 1 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6273] <... futex resumed>) = 0 [pid 6272] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] <... futex resumed>) = 1 [pid 6275] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6274] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 1 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] <... openat resumed>) = 4 [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = 0 [pid 6272] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] mkdirat(AT_FDCWD, NULL, 0777 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = 1 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] <... futex resumed>) = 0 [pid 6268] exit_group(0 [pid 6277] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6276] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6275] <... futex resumed>) = 1 [pid 6274] mkdirat(AT_FDCWD, NULL, 0777 [pid 6272] <... futex resumed>) = ? [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6268] <... exit_group resumed>) = ? [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6272] +++ exited with 0 +++ [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... futex resumed>) = 1 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = 0 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] <... futex resumed>) = 0 [pid 6275] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6274] <... futex resumed>) = 0 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] +++ exited with 0 +++ [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] sendfile(-1, -1, NULL, 553647746 [pid 6275] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] <... futex resumed>) = 0 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6268, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6277] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6276] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] <... futex resumed>) = 0 [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6277] <... openat resumed>) = 4 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 1 [pid 6274] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... restart_syscall resumed>) = 0 [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... futex resumed>) = 0 [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... openat resumed>) = 4 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 1 [pid 6276] memfd_create("syzkaller", 0 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] <... memfd_create resumed>) = 5 [pid 6275] openat(AT_FDCWD, NULL, O_RDWR [pid 6274] <... futex resumed>) = 1 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6275] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] <... futex resumed>) = 0 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6276] <... mmap resumed>) = 0x7f41a5370000 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] <... futex resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6275] <... futex resumed>) = 1 [pid 6274] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6276] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6275] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6279 attached [pid 6277] <... futex resumed>) = 0 [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6277] openat(AT_FDCWD, NULL, O_RDWR [pid 6275] <... futex resumed>) = 1 [pid 6279] set_robust_list(0x5555683327a0, 24 [pid 6274] openat(AT_FDCWD, NULL, O_RDWR [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6277] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6274] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6273] <... futex resumed>) = 0 [pid 6279] rt_sigprocmask(SIG_SETMASK, [] [pid 6275] sendfile(-1, -1, NULL, 553647746 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6279 [pid 6276] <... write resumed>) = 262144 [pid 6279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] munmap(0x7f41a5370000, 138412032 [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6277] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6275] <... futex resumed>) = 0 [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6279] <... prctl resumed>) = 0 [pid 6277] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6276] <... munmap resumed>) = 0 [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] setpgid(0, 0 [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 6279] <... setpgid resumed>) = 0 [pid 6277] <... futex resumed>) = 1 [pid 6276] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6275] memfd_create("syzkaller", 0 [pid 6274] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6273] <... futex resumed>) = 0 [pid 6270] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] close(5 [pid 6275] <... memfd_create resumed>) = 5 [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] <... openat resumed>) = 3 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] sendfile(-1, -1, NULL, 553647746 [pid 6274] sendfile(-1, -1, NULL, 553647746 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] <... futex resumed>) = 0 [pid 6279] write(3, "1000", 4 [pid 6277] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... close resumed>) = 0 [pid 6274] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... write resumed>) = 4 [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] close(3 [pid 6277] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = 0 [pid 6271] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = 0 [pid 6279] <... close resumed>) = 0 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] memfd_create("syzkaller", 0 [pid 6273] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] exit_group(0 [pid 6279] write(1, "executing program\n", 18 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 executing program [pid 6269] <... exit_group resumed>) = ? [pid 6276] <... futex resumed>) = ? [pid 6279] <... write resumed>) = 18 [pid 6277] memfd_create("syzkaller", 0 [pid 6276] +++ exited with 0 +++ [pid 6275] <... write resumed>) = 262144 [pid 6274] <... memfd_create resumed>) = 5 [pid 6273] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6271] <... futex resumed>) = 0 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... memfd_create resumed>) = 5 [pid 6274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6271] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6269] +++ exited with 0 +++ [pid 6279] <... futex resumed>) = 0 [pid 6277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6275] munmap(0x7f41a5370000, 138412032 [pid 6274] <... mmap resumed>) = 0x7f41a5370000 [pid 6279] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6277] <... mmap resumed>) = 0x7f41a5370000 [pid 6275] <... munmap resumed>) = 0 [pid 6274] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6269, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6279] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6275] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6277] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6275] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6275] close(5 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6277] <... write resumed>) = 262144 [pid 6279] <... mmap resumed>) = 0x7f41ad770000 [pid 6277] munmap(0x7f41a5370000, 138412032 [pid 6279] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6277] <... munmap resumed>) = 0 [pid 6274] <... write resumed>) = 262144 [pid 6279] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6277] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6274] munmap(0x7f41a5370000, 138412032 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6279] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6277] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6274] <... munmap resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6280 attached [pid 6277] close(5 [pid 6275] <... close resumed>) = 0 [pid 6274] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6280] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6279] <... clone3 resumed> => {parent_tid=[6280]}, 88) = 6280 [pid 6275] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6280] <... rseq resumed>) = 0 [pid 6279] rt_sigprocmask(SIG_SETMASK, [] [pid 6277] <... close resumed>) = 0 [pid 6275] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 [pid 6280] set_robust_list(0x7f41ad7909a0, 24 [pid 6279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6277] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] close(5 [pid 6270] exit_group(0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 1 [pid 6274] <... close resumed>) = 0 [pid 6273] <... futex resumed>) = 0 [pid 6280] rt_sigprocmask(SIG_SETMASK, [] [pid 6279] <... futex resumed>) = 0 [pid 6277] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6273] exit_group(0 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6281 attached [pid 6280] memfd_create("syzkaller", 0 [pid 6277] <... futex resumed>) = ? [pid 6275] <... futex resumed>) = ? [pid 6274] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... exit_group resumed>) = ? [pid 6270] <... exit_group resumed>) = ? [pid 6281] set_robust_list(0x5555683327a0, 24 [pid 6280] <... memfd_create resumed>) = 3 [pid 6277] +++ exited with 0 +++ [pid 6275] +++ exited with 0 +++ [pid 6274] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6281] <... set_robust_list resumed>) = 0 [pid 6281] rt_sigprocmask(SIG_SETMASK, [] [pid 6280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6274] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] +++ exited with 0 +++ [pid 6271] exit_group(0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6281 [pid 6270] +++ exited with 0 +++ [pid 6281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6280] <... mmap resumed>) = 0x7f41a5370000 [pid 6274] <... futex resumed>) = ? [pid 6271] <... exit_group resumed>) = ? [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6273, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6274] +++ exited with 0 +++ [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6281] <... prctl resumed>) = 0 [pid 6271] +++ exited with 0 +++ [pid 5603] <... restart_syscall resumed>) = 0 [pid 6281] setpgid(0, 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6271, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6281] <... setpgid resumed>) = 0 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... restart_syscall resumed>) = 0 [pid 6281] <... openat resumed>) = 3 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6281] write(3, "1000", 4 [pid 6280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6281] <... write resumed>) = 4 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6281] close(3 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6281] <... close resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6281] write(1, "executing program\n", 18 executing program [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] <... write resumed>) = 18 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6282 attached [pid 6281] <... futex resumed>) = 0 [pid 6282] set_robust_list(0x5555683327a0, 24 [pid 6281] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6282 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6282] rt_sigprocmask(SIG_SETMASK, [] [pid 6281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6283 attached [pid 6282] <... prctl resumed>) = 0 [pid 6280] <... write resumed>) = 1048576 [pid 6281] <... mmap resumed>) = 0x7f41ad770000 [pid 6283] set_robust_list(0x5555683327a0, 24 [pid 6282] setpgid(0, 0 [pid 6281] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6280] munmap(0x7f41a5370000, 138412032 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6283 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6283] <... set_robust_list resumed>) = 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6281] <... mprotect resumed>) = 0 [pid 6280] <... munmap resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6283] rt_sigprocmask(SIG_SETMASK, [] [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6281] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6280] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6282] <... openat resumed>) = 3 [pid 6281] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6280] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6284 attached [pid 6283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] write(3, "1000", 4 [pid 6281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6280] close(3ci2-upstream-fs/strace-static-x86_64: Process 6285 attached [pid 6284] set_robust_list(0x5555683327a0, 24 [pid 6283] <... prctl resumed>) = 0 [pid 6282] <... write resumed>) = 4 [pid 6283] setpgid(0, 0 [pid 6282] close(3 [pid 6285] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] <... setpgid resumed>) = 0 [pid 6281] <... clone3 resumed> => {parent_tid=[6285]}, 88) = 6285 [pid 6282] <... close resumed>) = 0 [pid 6285] <... rseq resumed>) = 0 [pid 6284] rt_sigprocmask(SIG_SETMASK, [] [pid 6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6281] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6284 [pid 6285] set_robust_list(0x7f41ad7909a0, 24 [pid 6284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6283] <... openat resumed>) = 3 [pid 6282] write(1, "executing program\n", 18 [pid 6281] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6285] <... set_robust_list resumed>) = 0 [pid 6284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] <... write resumed>) = 18 [pid 6283] write(3, "1000", 4 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] rt_sigprocmask(SIG_SETMASK, [] [pid 6284] <... prctl resumed>) = 0 [pid 6283] <... write resumed>) = 4 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = 0 [pid 6280] <... close resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6285] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6284] setpgid(0, 0 [pid 6283] close(3 [pid 6282] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6285] memfd_create("syzkaller", 0 [pid 6284] <... setpgid resumed>) = 0 [pid 6283] <... close resumed>) = 0 [pid 6282] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6283] write(1, "executing program\n", 18 [pid 6282] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = 1 [pid 6285] <... memfd_create resumed>) = 3 [pid 6285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6284] <... openat resumed>) = 3 executing program [pid 6283] <... write resumed>) = 18 [pid 6282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6280] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... mmap resumed>) = 0x7f41a5370000 [pid 6284] write(3, "1000", 4 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6280] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6279] <... futex resumed>) = 0 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... mmap resumed>) = 0x7f41ad770000 [pid 6283] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6284] <... write resumed>) = 4 [pid 6283] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6282] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6282] <... mprotect resumed>) = 0 [pid 6284] close(3 [pid 6283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] <... close resumed>) = 0 [pid 6283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6279] <... futex resumed>) = 0 executing program [pid 6284] write(1, "executing program\n", 18 [pid 6283] <... mmap resumed>) = 0x7f41ad770000 [pid 6280] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6286 attached [pid 6285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6284] <... write resumed>) = 18 [pid 6283] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6280] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6286] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6282] <... clone3 resumed> => {parent_tid=[6286]}, 88) = 6286 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... rseq resumed>) = 0 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... mprotect resumed>) = 0 [pid 6282] rt_sigprocmask(SIG_SETMASK, [] [pid 6280] <... futex resumed>) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6286] set_robust_list(0x7f41ad7909a0, 24 [pid 6284] <... futex resumed>) = 0 [pid 6282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6280] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] <... futex resumed>) = 0 [pid 6286] rt_sigprocmask(SIG_SETMASK, [] [pid 6282] <... futex resumed>) = 0 [pid 6280] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6286] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6284] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6283] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] memfd_create("syzkaller", 0 [pid 6280] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6283] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6286] <... memfd_create resumed>) = 3 [pid 6284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6287 attached [pid 6286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6287] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6286] <... mmap resumed>) = 0x7f41a5370000 [pid 6284] <... mmap resumed>) = 0x7f41ad770000 [pid 6283] <... clone3 resumed> => {parent_tid=[6287]}, 88) = 6287 [pid 6280] <... futex resumed>) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6287] <... rseq resumed>) = 0 [pid 6284] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6283] rt_sigprocmask(SIG_SETMASK, [] [pid 6284] <... mprotect resumed>) = 0 [pid 6283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] set_robust_list(0x7f41ad7909a0, 24 [pid 6284] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6280] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... futex resumed>) = 0 [pid 6287] rt_sigprocmask(SIG_SETMASK, [] [pid 6284] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6288 attached [pid 6287] memfd_create("syzkaller", 0 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6288] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6287] <... memfd_create resumed>) = 3 [pid 6284] <... clone3 resumed> => {parent_tid=[6288]}, 88) = 6288 [pid 6280] <... futex resumed>) = 0 [pid 6288] <... rseq resumed>) = 0 [pid 6287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6284] rt_sigprocmask(SIG_SETMASK, [] [pid 6280] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] set_robust_list(0x7f41ad7909a0, 24 [pid 6287] <... mmap resumed>) = 0x7f41a5370000 [pid 6284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] <... futex resumed>) = 0 [pid 6288] <... set_robust_list resumed>) = 0 [pid 6285] <... write resumed>) = 1048576 [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] rt_sigprocmask(SIG_SETMASK, [] [pid 6285] munmap(0x7f41a5370000, 138412032 [pid 6284] <... futex resumed>) = 0 [pid 6288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6285] <... munmap resumed>) = 0 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] memfd_create("syzkaller", 0) = 3 [pid 6288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6285] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6285] close(3 [pid 6280] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6286] <... write resumed>) = 1048576 [pid 6286] munmap(0x7f41a5370000, 138412032 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6286] <... munmap resumed>) = 0 [pid 6280] mkdirat(AT_FDCWD, NULL, 0777 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6280] <... futex resumed>) = 1 [pid 6280] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] <... futex resumed>) = 0 [pid 6286] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6279] <... futex resumed>) = 0 [pid 6286] close(3 [pid 6280] <... openat resumed>) = 4 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6280] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6279] <... futex resumed>) = 0 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] openat(AT_FDCWD, NULL, O_RDWR [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6279] <... futex resumed>) = 0 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6279] <... futex resumed>) = 0 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... futex resumed>) = 0 [pid 6280] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] sendfile(-1, -1, NULL, 553647746 [pid 6279] <... futex resumed>) = 0 [pid 6280] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] <... close resumed>) = 0 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... futex resumed>) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6288] <... write resumed>) = 1048576 [pid 6286] <... close resumed>) = 0 [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] memfd_create("syzkaller", 0 [pid 6279] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6280] <... memfd_create resumed>) = 5 [pid 6286] <... futex resumed>) = 1 [pid 6285] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6282] <... futex resumed>) = 0 [pid 6280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6288] munmap(0x7f41a5370000, 138412032 [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... mmap resumed>) = 0x7f41a5370000 [pid 6288] <... munmap resumed>) = 0 [pid 6287] <... write resumed>) = 1048576 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = 1 [pid 6282] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6287] munmap(0x7f41a5370000, 138412032 [pid 6286] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6285] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6288] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6287] <... munmap resumed>) = 0 [pid 6286] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6285] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6281] <... futex resumed>) = 0 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6286] <... futex resumed>) = 1 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... futex resumed>) = 0 [pid 6287] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] <... futex resumed>) = 0 [pid 6286] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6288] close(3 [pid 6287] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6285] <... futex resumed>) = 1 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... futex resumed>) = 0 [pid 6287] close(3 [pid 6286] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6285] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... write resumed>) = 262144 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... futex resumed>) = 0 [pid 6286] <... futex resumed>) = 1 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] munmap(0x7f41a5370000, 138412032 [pid 6286] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6285] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... futex resumed>) = 0 [pid 6280] <... munmap resumed>) = 0 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... futex resumed>) = 0 [pid 6280] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6286] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6288] <... close resumed>) = 0 [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] close(5 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6287] <... close resumed>) = 0 [pid 6285] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... futex resumed>) = 0 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... futex resumed>) = 1 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... close resumed>) = 0 [pid 6288] <... futex resumed>) = 1 [pid 6287] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6282] <... futex resumed>) = 0 [pid 6288] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6287] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6285] mkdirat(AT_FDCWD, NULL, 0777 [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6288] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6285] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... futex resumed>) = 0 [pid 6280] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] exit_group(0 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... futex resumed>) = ? [pid 6279] <... exit_group resumed>) = ? [pid 6288] <... futex resumed>) = 0 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6285] <... futex resumed>) = 0 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] +++ exited with 0 +++ [pid 6287] <... futex resumed>) = 1 [pid 6288] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6287] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6286] <... futex resumed>) = 1 [pid 6285] <... openat resumed>) = 4 [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6279] +++ exited with 0 +++ [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... futex resumed>) = 0 [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... futex resumed>) = 1 [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6279, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6288] <... futex resumed>) = 0 [pid 6287] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = 0 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6286] mkdirat(AT_FDCWD, NULL, 0777 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... futex resumed>) = 0 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... futex resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6288] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6285] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... restart_syscall resumed>) = 0 [pid 6288] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... futex resumed>) = 1 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6283] <... futex resumed>) = 0 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6288] <... futex resumed>) = 1 [pid 6287] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... futex resumed>) = 1 [pid 6285] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = 0 [pid 6286] <... openat resumed>) = 4 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6288] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6287] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] openat(AT_FDCWD, NULL, O_RDWR [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... futex resumed>) = 0 [pid 6285] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6288] <... futex resumed>) = 1 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = 0 [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] <... futex resumed>) = 0 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = 1 [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6288] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6286] <... futex resumed>) = 1 [pid 6285] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6286] openat(AT_FDCWD, NULL, O_RDWR [pid 6285] <... futex resumed>) = 1 [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = 0 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = 1 [pid 6286] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6288] mkdirat(AT_FDCWD, NULL, 0777 [pid 6285] sendfile(-1, -1, NULL, 553647746 [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6289 attached [pid 6288] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... futex resumed>) = 0 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6289] set_robust_list(0x5555683327a0, 24 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 0 [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6289 [pid 6289] rt_sigprocmask(SIG_SETMASK, [] [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] <... futex resumed>) = 1 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... futex resumed>) = 0 [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6285] memfd_create("syzkaller", 0 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... futex resumed>) = 0 [pid 6281] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6289] <... prctl resumed>) = 0 [pid 6288] <... openat resumed>) = 4 [pid 6287] mkdirat(AT_FDCWD, NULL, 0777 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... memfd_create resumed>) = 5 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] setpgid(0, 0 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 1 [pid 6285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6282] <... futex resumed>) = 0 [pid 6289] <... setpgid resumed>) = 0 [pid 6288] <... futex resumed>) = 1 [pid 6287] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6285] <... mmap resumed>) = 0x7f41a5370000 [pid 6286] sendfile(-1, -1, NULL, 553647746 [pid 6284] <... futex resumed>) = 0 [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 1 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = 0 [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... openat resumed>) = 3 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] <... futex resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] write(3, "1000", 4 [pid 6288] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6287] <... openat resumed>) = 4 [pid 6285] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... futex resumed>) = 0 [pid 6286] memfd_create("syzkaller", 0 [pid 6282] <... futex resumed>) = 0 [pid 6289] <... write resumed>) = 4 [pid 6288] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6286] <... memfd_create resumed>) = 5 [pid 6287] <... futex resumed>) = 0 [pid 6286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] close(3 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] <... write resumed>) = 262144 [pid 6289] <... close resumed>) = 0 [pid 6288] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 6286] <... mmap resumed>) = 0x7f41a5370000 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] write(1, "executing program\n", 18 [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] munmap(0x7f41a5370000, 138412032 [pid 6287] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 executing program [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = 0 [pid 6289] <... write resumed>) = 18 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... munmap resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] openat(AT_FDCWD, NULL, O_RDWR [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... futex resumed>) = 0 [pid 6288] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6285] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6289] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6288] <... futex resumed>) = 1 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6284] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] <... futex resumed>) = 0 [pid 6285] close(5 [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] openat(AT_FDCWD, NULL, O_RDWR [pid 6286] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6284] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6287] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6283] <... futex resumed>) = 0 [pid 6289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6288] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6287] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6285] <... close resumed>) = 0 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... mmap resumed>) = 0x7f41ad770000 [pid 6288] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6285] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = 0 [pid 6289] <... mprotect resumed>) = 0 [pid 6288] <... futex resumed>) = 1 [pid 6285] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] <... futex resumed>) = 0 [pid 6281] exit_group(0 [pid 6289] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6288] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = ? [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... exit_group resumed>) = ? [pid 6289] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] sendfile(-1, -1, NULL, 553647746 [pid 6285] +++ exited with 0 +++ [pid 6284] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6287] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... write resumed>) = 262144 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6288] sendfile(-1, -1, NULL, 553647746 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 6290 attached [pid 6288] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... futex resumed>) = 0 [pid 6286] munmap(0x7f41a5370000, 138412032 [pid 6281] +++ exited with 0 +++ [pid 6290] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6289] <... clone3 resumed> => {parent_tid=[6290]}, 88) = 6290 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] memfd_create("syzkaller", 0 [pid 6286] <... munmap resumed>) = 0 [pid 6283] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... rseq resumed>) = 0 [pid 6289] rt_sigprocmask(SIG_SETMASK, [] [pid 6288] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 6290] set_robust_list(0x7f41ad7909a0, 24 [pid 6289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6288] memfd_create("syzkaller", 0 [pid 6287] <... memfd_create resumed>) = 5 [pid 6286] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6284] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6281, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6290] <... set_robust_list resumed>) = 0 [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... memfd_create resumed>) = 5 [pid 6287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6286] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6290] rt_sigprocmask(SIG_SETMASK, [] [pid 6289] <... futex resumed>) = 0 [pid 6288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6287] <... mmap resumed>) = 0x7f41a5370000 [pid 6286] close(5 [pid 6284] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6290] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] <... mmap resumed>) = 0x7f41a5370000 [pid 6290] memfd_create("syzkaller", 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6290] <... memfd_create resumed>) = 3 [pid 6287] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6288] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6286] <... close resumed>) = 0 [pid 6286] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6286] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] <... write resumed>) = 262144 [pid 6282] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6288] munmap(0x7f41a5370000, 138412032 [pid 6287] <... write resumed>) = 262144 [pid 6282] exit_group(0 [pid 6288] <... munmap resumed>) = 0 [pid 6287] munmap(0x7f41a5370000, 138412032 [pid 6286] <... futex resumed>) = ? [pid 6282] <... exit_group resumed>) = ? [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6286] +++ exited with 0 +++ [pid 6288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6287] <... munmap resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6287] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6288] close(5 [pid 6287] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6287] close(5 [pid 6288] <... close resumed>) = 0 [pid 6288] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = 0 [pid 6288] <... futex resumed>) = 1 [pid 6284] exit_group(0) = ? [pid 6282] +++ exited with 0 +++ ci2-upstream-fs/strace-static-x86_64: Process 6291 attached [pid 6287] <... close resumed>) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6291 [pid 6291] set_robust_list(0x5555683327a0, 24 [pid 6287] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6291] <... set_robust_list resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6287] <... futex resumed>) = 1 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6291] rt_sigprocmask(SIG_SETMASK, [] [pid 6283] exit_group(0 [pid 6287] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6288] +++ exited with 0 +++ [pid 6284] +++ exited with 0 +++ [pid 6283] <... exit_group resumed>) = ? [pid 5603] <... restart_syscall resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6284, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6291] setpgid(0, 0 [pid 6287] +++ exited with 0 +++ [pid 6283] +++ exited with 0 +++ [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6291] <... setpgid resumed>) = 0 [pid 6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6283, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6292 attached [pid 6291] <... openat resumed>) = 3 [pid 6290] <... write resumed>) = 1048576 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6291] write(3, "1000", 4ci2-upstream-fs/strace-static-x86_64: Process 6293 attached [pid 6292] set_robust_list(0x5555683327a0, 24 [pid 6291] <... write resumed>) = 4 [pid 6290] munmap(0x7f41a5370000, 138412032 [pid 5605] <... restart_syscall resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6292 [pid 6293] set_robust_list(0x5555683327a0, 24 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] close(3 [pid 6290] <... munmap resumed>) = 0 [pid 6290] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] rt_sigprocmask(SIG_SETMASK, [] [pid 6291] <... close resumed>) = 0 [pid 6290] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6290] close(3 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6293 [pid 6293] rt_sigprocmask(SIG_SETMASK, [] [pid 6292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6291] write(1, "executing program\n", 18 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] <... write resumed>) = 18 [pid 5601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6292] <... prctl resumed>) = 0 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6292] setpgid(0, 0 [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6292] <... setpgid resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6291] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6293] <... prctl resumed>) = 0 [pid 6291] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6293] setpgid(0, 0 [pid 6291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6293] <... setpgid resumed>) = 0 [pid 6292] <... openat resumed>) = 3 [pid 6291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6292] write(3, "1000", 4 [pid 6291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6290] <... close resumed>) = 0 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6294 attached [pid 6293] <... openat resumed>) = 3 [pid 6292] <... write resumed>) = 4 [pid 6291] <... mmap resumed>) = 0x7f41ad770000 [pid 6294] set_robust_list(0x5555683327a0, 24 [pid 6293] write(3, "1000", 4 [pid 6292] close(3 [pid 6291] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6290] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6294 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] <... write resumed>) = 4 [pid 6292] <... close resumed>) = 0 [pid 6291] <... mprotect resumed>) = 0 [pid 6290] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6294] rt_sigprocmask(SIG_SETMASK, [] [pid 6293] close(3 [pid 6292] write(1, "executing program\n", 18 [pid 6290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... futex resumed>) = 0 executing program [pid 6294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6293] <... close resumed>) = 0 [pid 6292] <... write resumed>) = 18 [pid 6291] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6290] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] write(1, "executing program\n", 18 [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6290] <... openat resumed>) = -1 EISDIR (Is a directory) executing program [pid 6294] <... prctl resumed>) = 0 [pid 6293] <... write resumed>) = 18 [pid 6292] <... futex resumed>) = 0 [pid 6291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] setpgid(0, 0 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6290] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6294] <... setpgid resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6290] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6295 attached [pid 6293] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6292] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6290] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6289] <... futex resumed>) = 0 [pid 6295] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6295] <... rseq resumed>) = 0 [pid 6293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6291] <... clone3 resumed> => {parent_tid=[6295]}, 88) = 6295 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] set_robust_list(0x7f41ad7909a0, 24 [pid 6294] <... openat resumed>) = 3 [pid 6292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6291] rt_sigprocmask(SIG_SETMASK, [] [pid 6290] <... futex resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6294] write(3, "1000", 4 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6292] <... mmap resumed>) = 0x7f41ad770000 [pid 6291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6290] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6289] <... futex resumed>) = 0 [pid 6295] rt_sigprocmask(SIG_SETMASK, [] [pid 6294] <... write resumed>) = 4 [pid 6292] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6294] close(3 [pid 6293] <... mmap resumed>) = 0x7f41ad770000 [pid 6292] <... mprotect resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6290] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] memfd_create("syzkaller", 0 [pid 6294] <... close resumed>) = 0 [pid 6293] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6292] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... memfd_create resumed>) = 3 [pid 6294] write(1, "executing program\n", 18 [pid 6293] <... mprotect resumed>) = 0 [pid 6292] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6290] <... futex resumed>) = 0 executing program [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] <... write resumed>) = 18 [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6290] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6289] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6296 attached [pid 6295] <... mmap resumed>) = 0x7f41a5370000 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6290] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6294] <... futex resumed>) = 0 [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6292] <... clone3 resumed> => {parent_tid=[6296]}, 88) = 6296 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... rseq resumed>) = 0 [pid 6294] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6292] rt_sigprocmask(SIG_SETMASK, [] [pid 6290] <... futex resumed>) = 0 [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6297 attached [pid 6296] set_robust_list(0x7f41ad7909a0, 24 [pid 6294] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6297] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6296] <... set_robust_list resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6293] <... clone3 resumed> => {parent_tid=[6297]}, 88) = 6297 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6289] <... futex resumed>) = 0 [pid 6297] <... rseq resumed>) = 0 [pid 6296] rt_sigprocmask(SIG_SETMASK, [] [pid 6295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6293] rt_sigprocmask(SIG_SETMASK, [] [pid 6292] <... futex resumed>) = 0 [pid 6290] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] set_robust_list(0x7f41ad7909a0, 24 [pid 6296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6297] <... set_robust_list resumed>) = 0 [pid 6296] memfd_create("syzkaller", 0 [pid 6294] <... mmap resumed>) = 0x7f41ad770000 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] rt_sigprocmask(SIG_SETMASK, [] [pid 6296] <... memfd_create resumed>) = 3 [pid 6294] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6293] <... futex resumed>) = 0 [pid 6290] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] <... mprotect resumed>) = 0 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6290] mkdirat(AT_FDCWD, NULL, 0777 [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] memfd_create("syzkaller", 0 [pid 6296] <... mmap resumed>) = 0x7f41a5370000 [pid 6294] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6290] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6289] <... futex resumed>) = 0 [pid 6297] <... memfd_create resumed>) = 3 [pid 6294] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6298 attached [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] <... clone3 resumed> => {parent_tid=[6298]}, 88) = 6298 [pid 6290] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... mmap resumed>) = 0x7f41a5370000 [pid 6298] <... rseq resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_SETMASK, [] [pid 6290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... futex resumed>) = 0 [pid 6298] set_robust_list(0x7f41ad7909a0, 24 [pid 6294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6290] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... set_robust_list resumed>) = 0 [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... openat resumed>) = 4 [pid 6298] rt_sigprocmask(SIG_SETMASK, [] [pid 6294] <... futex resumed>) = 0 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6290] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6298] memfd_create("syzkaller", 0 [pid 6290] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... memfd_create resumed>) = 3 [pid 6290] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6289] <... futex resumed>) = 0 [pid 6298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... mmap resumed>) = 0x7f41a5370000 [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... write resumed>) = 1048576 [pid 6297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6296] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6295] munmap(0x7f41a5370000, 138412032 [pid 6290] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] openat(AT_FDCWD, NULL, O_RDWR [pid 6295] <... munmap resumed>) = 0 [pid 6290] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6290] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6289] <... futex resumed>) = 0 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6290] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 1 [pid 6295] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6290] sendfile(-1, -1, NULL, 553647746 [pid 6295] close(3 [pid 6290] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] <... futex resumed>) = 0 [pid 6289] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] memfd_create("syzkaller", 0) = 5 [pid 6289] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6290] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6295] <... close resumed>) = 0 [pid 6290] <... write resumed>) = 262144 [pid 6290] munmap(0x7f41a5370000, 138412032 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... munmap resumed>) = 0 [pid 6297] <... write resumed>) = 1048576 [pid 6296] <... write resumed>) = 1048576 [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6297] munmap(0x7f41a5370000, 138412032 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] munmap(0x7f41a5370000, 138412032 [pid 6290] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6297] <... munmap resumed>) = 0 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6291] <... futex resumed>) = 0 [pid 6290] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6297] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6296] <... munmap resumed>) = 0 [pid 6295] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6296] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6295] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6297] close(3 [pid 6296] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] close(5 [pid 6296] close(3 [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6291] <... futex resumed>) = 0 [pid 6290] <... close resumed>) = 0 [pid 6298] <... write resumed>) = 1048576 [pid 6290] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6290] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6298] munmap(0x7f41a5370000, 138412032 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] exit_group(0 [pid 6298] <... munmap resumed>) = 0 [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6290] <... futex resumed>) = ? [pid 6290] +++ exited with 0 +++ [pid 6289] <... exit_group resumed>) = ? [pid 6298] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6295] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6297] <... close resumed>) = 0 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... futex resumed>) = 0 [pid 6298] close(3 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... close resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] +++ exited with 0 +++ [pid 6297] <... futex resumed>) = 1 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6289, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 1 [pid 6297] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6296] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6295] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6298] <... close resumed>) = 0 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6297] <... futex resumed>) = 0 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... futex resumed>) = 1 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6298] <... futex resumed>) = 1 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6298] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6297] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6298] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6297] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6296] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6294] <... futex resumed>) = 0 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... futex resumed>) = 0 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6298] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] <... futex resumed>) = 1 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 1 [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6299 attached [pid 6298] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6299 [pid 6299] set_robust_list(0x5555683327a0, 24 [pid 6298] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6297] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6299] <... set_robust_list resumed>) = 0 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6295] mkdirat(AT_FDCWD, NULL, 0777 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6299] rt_sigprocmask(SIG_SETMASK, [] [pid 6298] <... futex resumed>) = 0 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6298] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6297] <... futex resumed>) = 1 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 1 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6299] <... prctl resumed>) = 0 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] setpgid(0, 0 [pid 6298] <... futex resumed>) = 0 [pid 6297] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6299] <... setpgid resumed>) = 0 [pid 6298] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6297] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6295] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6294] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6298] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... openat resumed>) = 4 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... openat resumed>) = 3 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 1 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6299] write(3, "1000", 4 [pid 6298] <... futex resumed>) = 0 [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 1 [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6299] <... write resumed>) = 4 [pid 6298] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] close(3 [pid 6298] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6297] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6299] <... close resumed>) = 0 [pid 6299] write(1, "executing program\n", 18 [pid 6296] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6295] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 executing program [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... write resumed>) = 18 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = 0 [pid 6298] mkdirat(AT_FDCWD, NULL, 0777 [pid 6297] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6296] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6295] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6299] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6298] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6298] <... futex resumed>) = 0 [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] openat(AT_FDCWD, NULL, O_RDWR [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6298] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6298] <... openat resumed>) = 4 [pid 6297] mkdirat(AT_FDCWD, NULL, 0777 [pid 6296] mkdirat(AT_FDCWD, NULL, 0777 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... mmap resumed>) = 0x7f41ad770000 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6296] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6299] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6298] <... futex resumed>) = 1 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... mprotect resumed>) = 0 [pid 6298] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6294] <... futex resumed>) = 0 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6298] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6298] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6297] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6296] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6300 attached [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... openat resumed>) = 4 [pid 6296] <... openat resumed>) = 4 [pid 6299] <... clone3 resumed> => {parent_tid=[6300]}, 88) = 6300 [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6300] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6299] rt_sigprocmask(SIG_SETMASK, [] [pid 6298] <... futex resumed>) = 1 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... rseq resumed>) = 0 [pid 6299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6298] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6300] set_robust_list(0x7f41ad7909a0, 24 [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] sendfile(-1, -1, NULL, 553647746 [pid 6294] <... futex resumed>) = 0 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... set_robust_list resumed>) = 0 [pid 6299] <... futex resumed>) = 0 [pid 6298] openat(AT_FDCWD, NULL, O_RDWR [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6300] rt_sigprocmask(SIG_SETMASK, [] [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6298] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6297] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6296] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6300] memfd_create("syzkaller", 0 [pid 6298] <... futex resumed>) = 1 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6291] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... memfd_create resumed>) = 3 [pid 6298] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6297] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6298] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] memfd_create("syzkaller", 0 [pid 6294] <... futex resumed>) = 0 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6300] <... mmap resumed>) = 0x7f41a5370000 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... memfd_create resumed>) = 5 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6296] openat(AT_FDCWD, NULL, O_RDWR [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] openat(AT_FDCWD, NULL, O_RDWR [pid 6296] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... mmap resumed>) = 0x7f41a5370000 [pid 6294] <... futex resumed>) = 0 [pid 6298] sendfile(-1, -1, NULL, 553647746 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 1 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = 0 [pid 6298] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6297] <... futex resumed>) = 1 [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] memfd_create("syzkaller", 0 [pid 6297] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6296] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6295] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6294] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6298] <... memfd_create resumed>) = 5 [pid 6297] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6298] <... mmap resumed>) = 0x7f41a5370000 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 1 [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6296] sendfile(-1, -1, NULL, 553647746 [pid 6292] <... futex resumed>) = 0 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6296] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] <... futex resumed>) = 1 [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] <... futex resumed>) = 0 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] sendfile(-1, -1, NULL, 553647746 [pid 6295] <... write resumed>) = 262144 [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... futex resumed>) = 0 [pid 6295] munmap(0x7f41a5370000, 138412032 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 1 [pid 6296] memfd_create("syzkaller", 0 [pid 6295] <... munmap resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6298] <... write resumed>) = 262144 [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... memfd_create resumed>) = 5 [pid 6293] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6295] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6297] memfd_create("syzkaller", 0 [pid 6296] <... mmap resumed>) = 0x7f41a5370000 [pid 6295] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6293] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6298] munmap(0x7f41a5370000, 138412032 [pid 6295] close(5 [pid 6297] <... memfd_create resumed>) = 5 [pid 6298] <... munmap resumed>) = 0 [pid 6298] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6298] close(5 [pid 6296] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6298] <... close resumed>) = 0 [pid 6297] <... mmap resumed>) = 0x7f41a5370000 [pid 6295] <... close resumed>) = 0 [pid 6298] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6298] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] exit_group(0 [pid 6298] <... futex resumed>) = ? [pid 6295] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... exit_group resumed>) = ? [pid 6300] <... write resumed>) = 1048576 [pid 6298] +++ exited with 0 +++ [pid 6297] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6295] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6300] munmap(0x7f41a5370000, 138412032 [pid 6296] <... write resumed>) = 262144 [pid 6300] <... munmap resumed>) = 0 [pid 6291] exit_group(0 [pid 6300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6296] munmap(0x7f41a5370000, 138412032 [pid 6294] +++ exited with 0 +++ [pid 6291] <... exit_group resumed>) = ? [pid 6300] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6295] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6294, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6300] close(3 [pid 6297] <... write resumed>) = 262144 [pid 6296] <... munmap resumed>) = 0 [pid 6291] +++ exited with 0 +++ [pid 5605] <... restart_syscall resumed>) = 0 [pid 6297] munmap(0x7f41a5370000, 138412032 [pid 6296] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6297] <... munmap resumed>) = 0 [pid 6296] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6291, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6297] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6296] close(5 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6297] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6297] close(5 [pid 6296] <... close resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6301 attached [pid 6300] <... close resumed>) = 0 [pid 6297] <... close resumed>) = 0 [pid 6296] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6301 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6301] set_robust_list(0x5555683327a0, 24 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6296] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... set_robust_list resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6301] rt_sigprocmask(SIG_SETMASK, [] [pid 6292] exit_group(0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6297] <... futex resumed>) = 1 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6296] <... futex resumed>) = ? [pid 6293] <... futex resumed>) = 0 [pid 6292] <... exit_group resumed>) = ? [pid 6301] <... prctl resumed>) = 0 [pid 6297] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] setpgid(0, 0 [pid 6300] <... futex resumed>) = 1 [pid 6300] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... setpgid resumed>) = 0 [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6301] write(3, "1000", 4) = 4 [pid 6301] close(3) = 0 [pid 6293] exit_group(0 [pid 6301] write(1, "executing program\n", 18ci2-upstream-fs/strace-static-x86_64: Process 6302 attached ) = 18 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] set_robust_list(0x5555683327a0, 24 [pid 6301] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6302 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6301] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6299] <... futex resumed>) = 0 [pid 6296] +++ exited with 0 +++ [pid 6297] <... futex resumed>) = ? [pid 6293] <... exit_group resumed>) = ? [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] rt_sigprocmask(SIG_SETMASK, [] [pid 6299] <... futex resumed>) = 1 [pid 6297] +++ exited with 0 +++ [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6300] <... futex resumed>) = 0 [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6301] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6300] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6302] <... prctl resumed>) = 0 [pid 6301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6300] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6302] setpgid(0, 0 [pid 6301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] +++ exited with 0 +++ [pid 6302] <... setpgid resumed>) = 0 [pid 6301] <... mmap resumed>) = 0x7f41ad770000 [pid 6293] +++ exited with 0 +++ [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6300] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6292, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6301] <... mprotect resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6293, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6302] <... openat resumed>) = 3 [pid 6301] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6299] <... futex resumed>) = 0 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] write(3, "1000", 4 [pid 6301] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6302] <... write resumed>) = 4 [pid 6301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6300] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000ci2-upstream-fs/strace-static-x86_64: Process 6303 attached [pid 6302] close(3 [pid 6300] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6303] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6302] <... close resumed>) = 0 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] write(1, "executing program\n", 18 [pid 6301] <... clone3 resumed> => {parent_tid=[6303]}, 88) = 6303 [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6302] <... write resumed>) = 18 executing program [pid 6301] rt_sigprocmask(SIG_SETMASK, [] [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... rseq resumed>) = 0 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6300] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6303] set_robust_list(0x7f41ad7909a0, 24 [pid 6299] <... futex resumed>) = 0 [pid 6303] <... set_robust_list resumed>) = 0 [pid 6300] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] rt_sigprocmask(SIG_SETMASK, [] [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6300] <... futex resumed>) = 0 [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... futex resumed>) = 0 [pid 6303] memfd_create("syzkaller", 0 [pid 6302] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6301] <... futex resumed>) = 0 [pid 6303] <... memfd_create resumed>) = 3 [pid 6302] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... restart_syscall resumed>) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6300] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... mmap resumed>) = 0x7f41a5370000 [pid 6302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6300] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] <... futex resumed>) = 0 [pid 6302] <... mmap resumed>) = 0x7f41ad770000 [pid 6300] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6302] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6302] <... mprotect resumed>) = 0 [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6302] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6300] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6304 attached [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6302] <... clone3 resumed> => {parent_tid=[6304]}, 88) = 6304 [pid 6304] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 6304] set_robust_list(0x7f41ad7909a0, 24 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6305 attached [pid 6304] <... set_robust_list resumed>) = 0 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6306 attached [pid 6305] set_robust_list(0x5555683327a0, 24 [pid 6304] rt_sigprocmask(SIG_SETMASK, [] [pid 6302] <... futex resumed>) = 0 [pid 6300] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6305 [pid 6306] set_robust_list(0x5555683327a0, 24 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6306 [pid 6300] mkdirat(AT_FDCWD, NULL, 0777 [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] rt_sigprocmask(SIG_SETMASK, [] [pid 6304] memfd_create("syzkaller", 0 [pid 6300] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6306] rt_sigprocmask(SIG_SETMASK, [] [pid 6305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6304] <... memfd_create resumed>) = 3 [pid 6303] <... write resumed>) = 1048576 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] munmap(0x7f41a5370000, 138412032 [pid 6300] <... futex resumed>) = 0 [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6305] <... prctl resumed>) = 0 [pid 6304] <... mmap resumed>) = 0x7f41a5370000 [pid 6303] <... munmap resumed>) = 0 [pid 6300] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6299] <... futex resumed>) = 0 [pid 6306] <... prctl resumed>) = 0 [pid 6305] setpgid(0, 0 [pid 6303] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6300] <... openat resumed>) = 4 [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6303] close(3 [pid 6300] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] setpgid(0, 0 [pid 6305] <... setpgid resumed>) = 0 [pid 6306] <... setpgid resumed>) = 0 [pid 6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6300] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... futex resumed>) = 0 [pid 6306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6305] <... openat resumed>) = 3 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... openat resumed>) = 3 [pid 6305] write(3, "1000", 4 [pid 6300] <... futex resumed>) = 0 [pid 6300] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 1 [pid 6306] write(3, "1000", 4 [pid 6305] <... write resumed>) = 4 [pid 6300] openat(AT_FDCWD, NULL, O_RDWR [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... write resumed>) = 4 [pid 6305] close(3 [pid 6300] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6305] <... close resumed>) = 0 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] close(3 [pid 6305] write(1, "executing program\n", 18 [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 executing program [pid 6306] <... close resumed>) = 0 [pid 6305] <... write resumed>) = 18 [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] write(1, "executing program\n", 18 [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6299] <... futex resumed>) = 0 executing program [pid 6306] <... write resumed>) = 18 [pid 6305] <... futex resumed>) = 0 [pid 6304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6300] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6303] <... close resumed>) = 0 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6306] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6305] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6300] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 0 [pid 6306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] sendfile(-1, -1, NULL, 553647746 [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = 0 [pid 6300] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] <... mmap resumed>) = 0x7f41ad770000 [pid 6305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6303] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6305] <... mmap resumed>) = 0x7f41ad770000 [pid 6303] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6301] <... futex resumed>) = 0 [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... futex resumed>) = 0 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] <... futex resumed>) = 0 [pid 6306] <... mprotect resumed>) = 0 [pid 6305] <... mprotect resumed>) = 0 [pid 6303] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] memfd_create("syzkaller", 0 [pid 6299] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6303] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6301] <... futex resumed>) = 0 [pid 6300] <... memfd_create resumed>) = 5 [pid 6306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... futex resumed>) = 0 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... mmap resumed>) = 0x7f41a5370000 [pid 6306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6307 attached ci2-upstream-fs/strace-static-x86_64: Process 6308 attached [pid 6306] <... clone3 resumed> => {parent_tid=[6307]}, 88) = 6307 [pid 6305] <... clone3 resumed> => {parent_tid=[6308]}, 88) = 6308 [pid 6307] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6305] rt_sigprocmask(SIG_SETMASK, [] [pid 6303] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6307] <... rseq resumed>) = 0 [pid 6306] rt_sigprocmask(SIG_SETMASK, [] [pid 6305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6303] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6308] <... rseq resumed>) = 0 [pid 6307] set_robust_list(0x7f41ad7909a0, 24 [pid 6306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] set_robust_list(0x7f41ad7909a0, 24 [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6301] <... futex resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_SETMASK, [] [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6308] memfd_create("syzkaller", 0 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6303] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... memfd_create resumed>) = 3 [pid 6307] rt_sigprocmask(SIG_SETMASK, [] [pid 6303] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... futex resumed>) = 0 [pid 6300] <... write resumed>) = 262144 [pid 6308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... futex resumed>) = 0 [pid 6308] <... mmap resumed>) = 0x7f41a5370000 [pid 6307] memfd_create("syzkaller", 0 [pid 6304] <... write resumed>) = 1048576 [pid 6303] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] munmap(0x7f41a5370000, 138412032 [pid 6307] <... memfd_create resumed>) = 3 [pid 6304] munmap(0x7f41a5370000, 138412032 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... munmap resumed>) = 0 [pid 6307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] <... futex resumed>) = 0 [pid 6301] <... futex resumed>) = 1 [pid 6307] <... mmap resumed>) = 0x7f41a5370000 [pid 6304] <... munmap resumed>) = 0 [pid 6303] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6304] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] close(5 [pid 6304] close(3 [pid 6303] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6301] <... futex resumed>) = 0 [pid 6308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] mkdirat(AT_FDCWD, NULL, 0777 [pid 6301] <... futex resumed>) = 0 [pid 6300] <... close resumed>) = 0 [pid 6303] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = 0 [pid 6300] <... futex resumed>) = 1 [pid 6303] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] <... futex resumed>) = 0 [pid 6303] <... openat resumed>) = 4 [pid 6301] <... futex resumed>) = 0 [pid 6299] exit_group(0 [pid 6307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... futex resumed>) = ? [pid 6299] <... exit_group resumed>) = ? [pid 6303] <... futex resumed>) = 0 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] +++ exited with 0 +++ [pid 6303] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... futex resumed>) = 0 [pid 6301] <... futex resumed>) = 1 [pid 6303] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6299] +++ exited with 0 +++ [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6299, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6303] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6303] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... restart_syscall resumed>) = 0 [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... futex resumed>) = 0 [pid 6304] <... close resumed>) = 0 [pid 6303] openat(AT_FDCWD, NULL, O_RDWR [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6301] <... futex resumed>) = 0 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6301] <... futex resumed>) = 0 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6304] <... futex resumed>) = 1 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6303] sendfile(-1, -1, NULL, 553647746 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6304] <... futex resumed>) = 0 [pid 6303] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6304] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6303] <... futex resumed>) = 0 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... futex resumed>) = 0 [pid 6303] memfd_create("syzkaller", 0 [pid 6301] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... memfd_create resumed>) = 5 [pid 6303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6304] <... futex resumed>) = 1 [pid 6303] <... mmap resumed>) = 0x7f41a5370000 [pid 6302] <... futex resumed>) = 0 [pid 6308] <... write resumed>) = 1048576 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6309 attached [pid 6308] munmap(0x7f41a5370000, 138412032 [pid 6307] <... write resumed>) = 1048576 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 6309] set_robust_list(0x5555683327a0, 24 [pid 6308] <... munmap resumed>) = 0 [pid 6307] munmap(0x7f41a5370000, 138412032 [pid 6304] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6303] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6309 [pid 6304] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6309] <... set_robust_list resumed>) = 0 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6309] rt_sigprocmask(SIG_SETMASK, [] [pid 6307] <... munmap resumed>) = 0 [pid 6304] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6308] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6308] close(3 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6309] setpgid(0, 0 [pid 6307] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6304] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = 1 [pid 6309] <... setpgid resumed>) = 0 [pid 6304] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6307] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6304] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6307] close(3 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... write resumed>) = 262144 [pid 6302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... openat resumed>) = 3 [pid 6304] <... futex resumed>) = 0 [pid 6309] write(3, "1000", 4 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] munmap(0x7f41a5370000, 138412032 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... munmap resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6309] <... write resumed>) = 4 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] close(3 [pid 6308] <... close resumed>) = 0 [pid 6304] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6303] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6304] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... close resumed>) = 0 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 6305] <... futex resumed>) = 0 [pid 6303] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6309] write(1, "executing program\n", 18 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] close(5 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 executing program [pid 6309] <... write resumed>) = 18 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6307] <... close resumed>) = 0 [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... futex resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 6302] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6303] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = 0 [pid 6309] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6308] <... futex resumed>) = 1 [pid 6307] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6303] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] exit_group(0 [pid 6309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6306] <... futex resumed>) = 0 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = ? [pid 6301] <... exit_group resumed>) = ? [pid 6309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6308] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6303] +++ exited with 0 +++ [pid 6309] <... mmap resumed>) = 0x7f41ad770000 [pid 6308] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6307] <... futex resumed>) = 0 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] +++ exited with 0 +++ [pid 6309] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6309] <... mprotect resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 6307] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6306] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6301, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6304] mkdirat(AT_FDCWD, NULL, 0777 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6306] <... futex resumed>) = 0 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6308] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6307] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... restart_syscall resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6310 attached [pid 6308] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6310] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6309] <... clone3 resumed> => {parent_tid=[6310]}, 88) = 6310 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... rseq resumed>) = 0 [pid 6309] rt_sigprocmask(SIG_SETMASK, [] [pid 6308] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 6310] set_robust_list(0x7f41ad7909a0, 24 [pid 6309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6310] <... set_robust_list resumed>) = 0 [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6310] rt_sigprocmask(SIG_SETMASK, [] [pid 6309] <... futex resumed>) = 0 [pid 6308] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6307] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... openat resumed>) = 4 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6308] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] memfd_create("syzkaller", 0 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6308] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6310] <... memfd_create resumed>) = 3 [pid 6304] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6310] <... mmap resumed>) = 0x7f41a5370000 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... futex resumed>) = 0 [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 ci2-upstream-fs/strace-static-x86_64: Process 6311 attached [pid 6310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6308] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] set_robust_list(0x5555683327a0, 24) = 0 [pid 6308] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6304] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6311 [pid 6311] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] mkdirat(AT_FDCWD, NULL, 0777 [pid 6306] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6311] <... prctl resumed>) = 0 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] setpgid(0, 0 [pid 6308] <... futex resumed>) = 1 [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 6311] <... setpgid resumed>) = 0 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... futex resumed>) = 0 [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] openat(AT_FDCWD, NULL, O_RDWR [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6306] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6304] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6311] <... openat resumed>) = 3 [pid 6308] mkdirat(AT_FDCWD, NULL, 0777 [pid 6307] <... openat resumed>) = 4 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] write(3, "1000", 4 [pid 6308] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... write resumed>) = 4 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6311] close(3 [pid 6310] <... write resumed>) = 1048576 [pid 6308] <... futex resumed>) = 1 [pid 6307] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... close resumed>) = 0 [pid 6310] munmap(0x7f41a5370000, 138412032 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 6311] write(1, "executing program\n", 18 [pid 6310] <... munmap resumed>) = 0 executing program [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... futex resumed>) = 0 [pid 6304] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... write resumed>) = 18 [pid 6310] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6308] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6307] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6308] <... openat resumed>) = 4 [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = 0 [pid 6310] close(3 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6311] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6308] <... futex resumed>) = 1 [pid 6307] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] openat(AT_FDCWD, NULL, O_RDWR [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... futex resumed>) = 0 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6308] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6307] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = 1 [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6308] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] sendfile(-1, -1, NULL, 553647746 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... mmap resumed>) = 0x7f41ad770000 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6304] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... futex resumed>) = 1 [pid 6307] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6306] <... futex resumed>) = 0 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = 0 [pid 6302] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... mprotect resumed>) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... futex resumed>) = 0 [pid 6304] memfd_create("syzkaller", 0 [pid 6302] <... futex resumed>) = 0 [pid 6311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6308] openat(AT_FDCWD, NULL, O_RDWR [pid 6307] <... futex resumed>) = 0 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... memfd_create resumed>) = 5 [pid 6302] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6308] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6307] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6308] <... futex resumed>) = 1 [pid 6307] sendfile(-1, -1, NULL, 553647746 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... futex resumed>) = 0 [pid 6304] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6312 attached [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6312] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6311] <... clone3 resumed> => {parent_tid=[6312]}, 88) = 6312 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... rseq resumed>) = 0 [pid 6311] rt_sigprocmask(SIG_SETMASK, [] [pid 6310] <... close resumed>) = 0 [pid 6308] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6312] set_robust_list(0x7f41ad7909a0, 24 [pid 6311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] rt_sigprocmask(SIG_SETMASK, [] [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] sendfile(-1, -1, NULL, 553647746 [pid 6312] memfd_create("syzkaller", 0 [pid 6310] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] memfd_create("syzkaller", 0 [pid 6306] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6305] <... futex resumed>) = 0 [pid 6304] <... write resumed>) = 262144 [pid 6312] <... memfd_create resumed>) = 3 [pid 6310] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... memfd_create resumed>) = 5 [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] <... futex resumed>) = 0 [pid 6307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6304] munmap(0x7f41a5370000, 138412032 [pid 6312] <... mmap resumed>) = 0x7f41a5370000 [pid 6310] <... futex resumed>) = 0 [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... mmap resumed>) = 0x7f41a5370000 [pid 6305] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... munmap resumed>) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] <... futex resumed>) = 0 [pid 6310] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6308] memfd_create("syzkaller", 0 [pid 6305] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6304] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] <... memfd_create resumed>) = 5 [pid 6304] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6310] <... futex resumed>) = 0 [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6307] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6304] close(5 [pid 6310] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... mmap resumed>) = 0x7f41a5370000 [pid 6310] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6310] <... futex resumed>) = 0 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6307] <... write resumed>) = 262144 [pid 6304] <... close resumed>) = 0 [pid 6310] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6309] <... futex resumed>) = 0 [pid 6310] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 6307] munmap(0x7f41a5370000, 138412032 [pid 6304] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 6310] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] <... munmap resumed>) = 0 [pid 6304] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] exit_group(0 [pid 6308] <... write resumed>) = 262144 [pid 6307] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6304] <... futex resumed>) = ? [pid 6302] <... exit_group resumed>) = ? [pid 6307] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6308] munmap(0x7f41a5370000, 138412032 [pid 6310] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6308] <... munmap resumed>) = 0 [pid 6307] close(5 [pid 6308] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6310] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] close(5 [pid 6312] <... write resumed>) = 1048576 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 6308] <... close resumed>) = 0 [pid 6307] <... close resumed>) = 0 [pid 6304] +++ exited with 0 +++ [pid 6302] +++ exited with 0 +++ [pid 6312] munmap(0x7f41a5370000, 138412032 [pid 6310] mkdirat(AT_FDCWD, NULL, 0777 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6302, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... munmap resumed>) = 0 [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6312] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6310] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = 1 [pid 6308] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] exit_group(0 [pid 6305] exit_group(0 [pid 6312] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6310] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] <... futex resumed>) = ? [pid 6307] <... futex resumed>) = ? [pid 6306] <... exit_group resumed>) = ? [pid 6305] <... exit_group resumed>) = ? [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6312] close(3 [pid 6310] <... openat resumed>) = 4 [pid 6308] +++ exited with 0 +++ [pid 6307] +++ exited with 0 +++ [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6309] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6309] <... futex resumed>) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6310] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] +++ exited with 0 +++ [pid 6305] +++ exited with 0 +++ [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6305, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6306, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6309] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6310] <... futex resumed>) = 0 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6310] openat(AT_FDCWD, NULL, O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6313 attached ) = -1 EFAULT (Bad address) [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6313 [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] set_robust_list(0x5555683327a0, 24 [pid 6310] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6313] <... set_robust_list resumed>) = 0 [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6312] <... close resumed>) = 0 [pid 6313] rt_sigprocmask(SIG_SETMASK, [] [pid 6310] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6314 attached [pid 6313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6314] set_robust_list(0x5555683327a0, 24 [pid 6313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6314 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6314] <... set_robust_list resumed>) = 0 [pid 6313] <... prctl resumed>) = 0 [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6314] rt_sigprocmask(SIG_SETMASK, [] [pid 6313] setpgid(0, 0 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6313] <... setpgid resumed>) = 0 [pid 6312] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6310] sendfile(-1, -1, NULL, 553647746 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6314] <... prctl resumed>) = 0 [pid 6313] <... openat resumed>) = 3 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] setpgid(0, 0 [pid 6313] write(3, "1000", 4 [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6314] <... setpgid resumed>) = 0 [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 1 [pid 6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6313] <... write resumed>) = 4 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] <... futex resumed>) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6314] <... openat resumed>) = 3 [pid 6313] close(3 [pid 6312] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6315 attached [pid 6314] write(3, "1000", 4 [pid 6313] <... close resumed>) = 0 [pid 6312] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6310] memfd_create("syzkaller", 0 [pid 6309] <... futex resumed>) = 0 [pid 6315] set_robust_list(0x5555683327a0, 24 [pid 6314] <... write resumed>) = 4 executing program [pid 6313] write(1, "executing program\n", 18 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... memfd_create resumed>) = 5 [pid 6309] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6315] <... set_robust_list resumed>) = 0 [pid 6314] close(3 [pid 6313] <... write resumed>) = 18 [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6315 [pid 6315] rt_sigprocmask(SIG_SETMASK, [] [pid 6314] <... close resumed>) = 0 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... mmap resumed>) = 0x7f41a5370000 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6314] write(1, "executing program\n", 18 [pid 6313] <... futex resumed>) = 0 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 executing program [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6314] <... write resumed>) = 18 [pid 6313] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6312] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6315] <... prctl resumed>) = 0 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6312] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... futex resumed>) = 0 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] setpgid(0, 0 [pid 6314] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6315] <... setpgid resumed>) = 0 [pid 6314] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6312] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6312] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... futex resumed>) = 0 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6313] <... mmap resumed>) = 0x7f41ad770000 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... write resumed>) = 262144 [pid 6315] <... openat resumed>) = 3 [pid 6314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6313] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6312] <... futex resumed>) = 0 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] munmap(0x7f41a5370000, 138412032 [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... mmap resumed>) = 0x7f41ad770000 [pid 6311] <... futex resumed>) = 0 [pid 6315] write(3, "1000", 4 [pid 6314] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6313] <... mprotect resumed>) = 0 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... munmap resumed>) = 0 [pid 6315] <... write resumed>) = 4 [pid 6314] <... mprotect resumed>) = 0 [pid 6312] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6314] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6315] close(3 [pid 6310] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6315] <... close resumed>) = 0 [pid 6310] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6315] write(1, "executing program\n", 18) = 18 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6310] close(5 [pid 6315] <... futex resumed>) = 0 [pid 6314] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6312] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6315] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6317 attached ci2-upstream-fs/strace-static-x86_64: Process 6316 attached [pid 6315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6314] <... clone3 resumed> => {parent_tid=[6316]}, 88) = 6316 [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6310] <... close resumed>) = 0 [pid 6317] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6316] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6314] rt_sigprocmask(SIG_SETMASK, [] [pid 6313] <... clone3 resumed> => {parent_tid=[6317]}, 88) = 6317 [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... rseq resumed>) = 0 [pid 6316] <... rseq resumed>) = 0 [pid 6315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6313] rt_sigprocmask(SIG_SETMASK, [] [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] set_robust_list(0x7f41ad7909a0, 24 [pid 6316] set_robust_list(0x7f41ad7909a0, 24 [pid 6315] <... mmap resumed>) = 0x7f41ad770000 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6312] mkdirat(AT_FDCWD, NULL, 0777 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6317] <... set_robust_list resumed>) = 0 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6314] <... futex resumed>) = 0 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6310] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] exit_group(0 [pid 6317] rt_sigprocmask(SIG_SETMASK, [] [pid 6316] rt_sigprocmask(SIG_SETMASK, [] [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6313] <... futex resumed>) = 0 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = ? [pid 6309] <... exit_group resumed>) = ? [pid 6317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6315] <... mprotect resumed>) = 0 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6317] memfd_create("syzkaller", 0 [pid 6316] memfd_create("syzkaller", 0 [pid 6315] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... memfd_create resumed>) = 3 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6316] <... memfd_create resumed>) = 3 [pid 6315] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6312] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] +++ exited with 0 +++ [pid 6309] +++ exited with 0 +++ [pid 6317] <... mmap resumed>) = 0x7f41a5370000 [pid 6315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6312] <... openat resumed>) = 4 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6309, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6316] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6318 attached [pid 6318] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6315] <... clone3 resumed> => {parent_tid=[6318]}, 88) = 6318 [pid 6315] rt_sigprocmask(SIG_SETMASK, [] [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... rseq resumed>) = 0 [pid 6315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6318] set_robust_list(0x7f41ad7909a0, 24 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6315] <... futex resumed>) = 0 [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 6318] rt_sigprocmask(SIG_SETMASK, [] [pid 6317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6318] memfd_create("syzkaller", 0 [pid 6312] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6311] <... futex resumed>) = 0 [pid 6318] <... memfd_create resumed>) = 3 [pid 6317] <... write resumed>) = 1048576 [pid 6316] <... write resumed>) = 1048576 [pid 6312] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6317] munmap(0x7f41a5370000, 138412032 [pid 6316] munmap(0x7f41a5370000, 138412032 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6318] <... mmap resumed>) = 0x7f41a5370000 [pid 6317] <... munmap resumed>) = 0 [pid 6316] <... munmap resumed>) = 0 [pid 6312] <... futex resumed>) = 0 [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6317] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6312] openat(AT_FDCWD, NULL, O_RDWR [pid 6316] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6311] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6317] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6316] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6317] close(3 [pid 6312] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] close(3 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6312] <... futex resumed>) = 1 [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... futex resumed>) = 0 [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6312] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) ci2-upstream-fs/strace-static-x86_64: Process 6319 attached [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] set_robust_list(0x5555683327a0, 24 [pid 6312] <... futex resumed>) = 0 [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6319 [pid 6311] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6319] <... set_robust_list resumed>) = 0 [pid 6317] <... close resumed>) = 0 [pid 6312] sendfile(-1, -1, NULL, 553647746 [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] rt_sigprocmask(SIG_SETMASK, [] [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6317] <... futex resumed>) = 1 [pid 6313] <... futex resumed>) = 0 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6317] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... prctl resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6319] setpgid(0, 0 [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] <... setpgid resumed>) = 0 [pid 6317] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6311] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] memfd_create("syzkaller", 0) = 5 [pid 6317] <... futex resumed>) = 1 [pid 6313] <... futex resumed>) = 0 [pid 6317] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6319] <... openat resumed>) = 3 [pid 6317] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6316] <... close resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6312] <... mmap resumed>) = 0x7f41a5370000 [pid 6311] <... futex resumed>) = 0 [pid 6319] write(3, "1000", 4 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6319] <... write resumed>) = 4 [pid 6317] <... futex resumed>) = 0 [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6319] close(3 [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... close resumed>) = 0 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 1 [pid 6314] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6319] write(1, "executing program\n", 18 executing program [pid 6317] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] <... write resumed>) = 18 [pid 6318] <... write resumed>) = 1048576 [pid 6317] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6314] <... futex resumed>) = 0 [pid 6312] <... write resumed>) = 262144 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] munmap(0x7f41a5370000, 138412032 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] munmap(0x7f41a5370000, 138412032 [pid 6319] <... futex resumed>) = 0 [pid 6318] <... munmap resumed>) = 0 [pid 6317] <... futex resumed>) = 1 [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6313] <... futex resumed>) = 0 [pid 6312] <... munmap resumed>) = 0 [pid 6319] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6312] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6318] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6317] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6316] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6314] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6312] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6318] close(3 [pid 6317] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... mmap resumed>) = 0x7f41ad770000 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6317] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6316] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = 0 [pid 6312] close(5 [pid 6319] <... mprotect resumed>) = 0 [pid 6316] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6314] <... futex resumed>) = 0 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6317] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6316] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... close resumed>) = 0 [pid 6319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6317] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 1 [pid 6314] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6320 attached [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6319] <... clone3 resumed> => {parent_tid=[6320]}, 88) = 6320 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6320] <... rseq resumed>) = 0 [pid 6319] rt_sigprocmask(SIG_SETMASK, [] [pid 6317] mkdirat(AT_FDCWD, NULL, 0777 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] set_robust_list(0x7f41ad7909a0, 24 [pid 6319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6317] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6320] <... set_robust_list resumed>) = 0 [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... close resumed>) = 0 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6312] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] exit_group(0 [pid 6320] rt_sigprocmask(SIG_SETMASK, [] [pid 6319] <... futex resumed>) = 0 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 1 [pid 6316] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... futex resumed>) = 0 [pid 6312] <... futex resumed>) = ? [pid 6311] <... exit_group resumed>) = ? [pid 6320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6318] <... futex resumed>) = 1 [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... futex resumed>) = 0 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] +++ exited with 0 +++ [pid 6320] memfd_create("syzkaller", 0 [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 1 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6320] <... memfd_create resumed>) = 3 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6316] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] +++ exited with 0 +++ [pid 6320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6318] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6317] <... openat resumed>) = 4 [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6311, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6320] <... mmap resumed>) = 0x7f41a5370000 [pid 6318] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 1 [pid 6313] <... futex resumed>) = 0 [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] <... futex resumed>) = 1 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6315] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6317] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] <... futex resumed>) = 0 [pid 6317] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6316] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 1 [pid 6314] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6318] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 6316] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] <... futex resumed>) = 0 [pid 6318] <... futex resumed>) = 0 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] mkdirat(AT_FDCWD, NULL, 0777 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6318] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6317] <... futex resumed>) = 1 [pid 6316] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6318] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6318] <... futex resumed>) = 0 [pid 6317] openat(AT_FDCWD, NULL, O_RDWR [pid 6316] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 0 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6318] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... openat resumed>) = 4 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6321 attached [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 1 [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6313] <... futex resumed>) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6321 [pid 6321] set_robust_list(0x5555683327a0, 24 [pid 6318] <... futex resumed>) = 0 [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... futex resumed>) = 1 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 0 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6318] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6321] rt_sigprocmask(SIG_SETMASK, [] [pid 6317] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6316] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6317] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] <... prctl resumed>) = 0 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 1 [pid 6316] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6313] <... futex resumed>) = 0 [pid 6321] setpgid(0, 0 [pid 6318] <... futex resumed>) = 1 [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... setpgid resumed>) = 0 [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 0 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 1 [pid 6313] <... futex resumed>) = 0 [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] sendfile(-1, -1, NULL, 553647746 [pid 6316] openat(AT_FDCWD, NULL, O_RDWR [pid 6315] <... futex resumed>) = 0 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... write resumed>) = 1048576 [pid 6318] mkdirat(AT_FDCWD, NULL, 0777 [pid 6317] <... futex resumed>) = 0 [pid 6316] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] munmap(0x7f41a5370000, 138412032 [pid 6317] memfd_create("syzkaller", 0 [pid 6313] <... futex resumed>) = 0 [pid 6318] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... openat resumed>) = 3 [pid 6320] <... munmap resumed>) = 0 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = 0 [pid 6317] <... memfd_create resumed>) = 5 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6321] write(3, "1000", 4 [pid 6320] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6318] <... futex resumed>) = 1 [pid 6317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6316] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6315] <... futex resumed>) = 0 [pid 6314] <... futex resumed>) = 0 [pid 6321] <... write resumed>) = 4 [pid 6320] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... mmap resumed>) = 0x7f41a5370000 [pid 6316] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] close(3 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6321] <... close resumed>) = 0 [pid 6318] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] write(1, "executing program\n", 18 [pid 6318] <... openat resumed>) = 4 [pid 6316] <... futex resumed>) = 1 [pid 6314] <... futex resumed>) = 0 [pid 6321] <... write resumed>) = 18 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] close(3 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6314] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6318] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6318] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6316] sendfile(-1, -1, NULL, 553647746 [pid 6321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6318] <... futex resumed>) = 1 [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... futex resumed>) = 0 [pid 6321] <... mmap resumed>) = 0x7f41ad770000 [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... futex resumed>) = 1 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 0 [pid 6321] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6316] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... mprotect resumed>) = 0 [pid 6318] openat(AT_FDCWD, NULL, O_RDWR [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6318] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] <... futex resumed>) = 0 executing program [pid 6321] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] memfd_create("syzkaller", 0 [pid 6314] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6318] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6322 attached [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6321] <... clone3 resumed> => {parent_tid=[6322]}, 88) = 6322 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6322] <... rseq resumed>) = 0 [pid 6321] rt_sigprocmask(SIG_SETMASK, [] [pid 6318] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6316] <... memfd_create resumed>) = 5 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] set_robust_list(0x7f41ad7909a0, 24 [pid 6321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6318] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6322] <... set_robust_list resumed>) = 0 [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... mmap resumed>) = 0x7f41a5370000 [pid 6322] rt_sigprocmask(SIG_SETMASK, [] [pid 6321] <... futex resumed>) = 0 [pid 6318] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6322] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6318] sendfile(-1, -1, NULL, 553647746 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] memfd_create("syzkaller", 0 [pid 6318] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... futex resumed>) = 0 [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] <... memfd_create resumed>) = 3 [pid 6318] <... futex resumed>) = 0 [pid 6322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6318] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... write resumed>) = 262144 [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... mmap resumed>) = 0x7f41a5370000 [pid 6315] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = 1 [pid 6316] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6315] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6318] memfd_create("syzkaller", 0) = 5 [pid 6318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6320] <... close resumed>) = 0 [pid 6318] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6317] munmap(0x7f41a5370000, 138412032 [pid 6316] <... write resumed>) = 262144 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6317] <... munmap resumed>) = 0 [pid 6316] munmap(0x7f41a5370000, 138412032 [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 6317] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6316] <... munmap resumed>) = 0 [pid 6320] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6320] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6316] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6317] close(5 [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 6318] <... write resumed>) = 262144 [pid 6316] close(5 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] munmap(0x7f41a5370000, 138412032 [pid 6320] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6318] <... munmap resumed>) = 0 [pid 6318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6322] <... write resumed>) = 1048576 [pid 6320] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6318] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6317] <... close resumed>) = 0 [pid 6316] <... close resumed>) = 0 [pid 6322] munmap(0x7f41a5370000, 138412032 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] close(5 [pid 6317] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... munmap resumed>) = 0 [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6317] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 1 [pid 6314] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6322] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] exit_group(0 [pid 6313] exit_group(0 [pid 6322] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 6318] <... close resumed>) = 0 [pid 6317] <... futex resumed>) = ? [pid 6316] <... futex resumed>) = ? [pid 6314] <... exit_group resumed>) = ? [pid 6313] <... exit_group resumed>) = ? [pid 6322] close(3 [pid 6320] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] +++ exited with 0 +++ [pid 6316] +++ exited with 0 +++ [pid 6315] <... futex resumed>) = 0 [pid 6315] exit_group(0 [pid 6318] <... futex resumed>) = ? [pid 6315] <... exit_group resumed>) = ? [pid 6320] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6314] +++ exited with 0 +++ [pid 6313] +++ exited with 0 +++ [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6313, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6320] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6314, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5602] <... restart_syscall resumed>) = 0 [pid 6320] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6318] +++ exited with 0 +++ [pid 6315] +++ exited with 0 +++ [pid 6322] <... close resumed>) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6315, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6322] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6322] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6321] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] <... restart_syscall resumed>) = 0 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6322] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6322] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6321] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6322] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6321] <... futex resumed>) = 0 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6324 attached ci2-upstream-fs/strace-static-x86_64: Process 6323 attached [pid 6322] <... futex resumed>) = 0 [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6324] set_robust_list(0x5555683327a0, 24 [pid 6323] set_robust_list(0x5555683327a0, 24 [pid 6322] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6323 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] mkdirat(AT_FDCWD, NULL, 0777 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6324 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6322] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6321] <... futex resumed>) = 0 [pid 6324] rt_sigprocmask(SIG_SETMASK, [] [pid 6323] rt_sigprocmask(SIG_SETMASK, [] [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6322] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6323] <... prctl resumed>) = 0 [pid 6322] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = 0 [pid 6323] setpgid(0, 0 [pid 6322] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6323] <... setpgid resumed>) = 0 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... futex resumed>) = 0 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6325 attached [pid 6324] <... prctl resumed>) = 0 [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6325] set_robust_list(0x5555683327a0, 24 [pid 6324] setpgid(0, 0 [pid 6323] <... openat resumed>) = 3 [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] <... setpgid resumed>) = 0 [pid 6323] write(3, "1000", 4 [pid 6322] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6325 [pid 6325] rt_sigprocmask(SIG_SETMASK, [] [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6323] <... write resumed>) = 4 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6319] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6325] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6324] <... openat resumed>) = 3 [pid 6323] close(3 [pid 6322] <... futex resumed>) = 1 [pid 6320] <... openat resumed>) = 4 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6324] write(3, "1000", 4 [pid 6323] <... close resumed>) = 0 [pid 6322] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... prctl resumed>) = 0 [pid 6324] <... write resumed>) = 4 [pid 6323] write(1, "executing program\n", 18 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 executing program [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] setpgid(0, 0 [pid 6324] close(3 [pid 6323] <... write resumed>) = 18 [pid 6322] mkdirat(AT_FDCWD, NULL, 0777 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6319] <... futex resumed>) = 0 [pid 6325] <... setpgid resumed>) = 0 [pid 6324] <... close resumed>) = 0 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6320] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] write(1, "executing program\n", 18 [pid 6323] <... futex resumed>) = 0 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... write resumed>) = 18 [pid 6323] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6320] <... futex resumed>) = 0 [pid 6322] <... futex resumed>) = 1 executing program [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... futex resumed>) = 0 [pid 6325] <... openat resumed>) = 3 [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6322] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] openat(AT_FDCWD, NULL, O_RDWR [pid 6319] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6320] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6321] <... futex resumed>) = 0 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] write(3, "1000", 4 [pid 6324] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6322] <... openat resumed>) = 4 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... write resumed>) = 4 [pid 6323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6324] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] close(3 [pid 6324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6323] <... mmap resumed>) = 0x7f41ad770000 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6319] <... futex resumed>) = 0 [pid 6325] <... close resumed>) = 0 [pid 6324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6323] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6322] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = 0 [pid 6320] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] write(1, "executing program\n", 18 [pid 6324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 6322] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... mprotect resumed>) = 0 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... write resumed>) = 18 [pid 6324] <... mmap resumed>) = 0x7f41ad770000 [pid 6322] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6321] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6323] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] sendfile(-1, -1, NULL, 553647746 [pid 6319] <... futex resumed>) = 0 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... mprotect resumed>) = 0 [pid 6323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6322] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6326 attached [pid 6325] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6324] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6322] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6325] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6324] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6323] <... clone3 resumed> => {parent_tid=[6326]}, 88) = 6326 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... rseq resumed>) = 0 [pid 6325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6323] rt_sigprocmask(SIG_SETMASK, [] [pid 6322] openat(AT_FDCWD, NULL, O_RDWR [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] memfd_create("syzkaller", 0 [pid 6319] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6327 attached [pid 6326] set_robust_list(0x7f41ad7909a0, 24 [pid 6325] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6322] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6320] <... memfd_create resumed>) = 5 [pid 6319] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6327] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6324] <... clone3 resumed> => {parent_tid=[6327]}, 88) = 6327 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6327] <... rseq resumed>) = 0 [pid 6326] rt_sigprocmask(SIG_SETMASK, [] [pid 6325] <... mmap resumed>) = 0x7f41ad770000 [pid 6324] rt_sigprocmask(SIG_SETMASK, [] [pid 6323] <... futex resumed>) = 0 [pid 6322] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = 0 [pid 6320] <... mmap resumed>) = 0x7f41a5370000 [pid 6327] set_robust_list(0x7f41ad7909a0, 24 [pid 6326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6325] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6322] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6326] memfd_create("syzkaller", 0 [pid 6325] <... mprotect resumed>) = 0 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6321] <... futex resumed>) = 0 [pid 6320] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6327] rt_sigprocmask(SIG_SETMASK, [] [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6326] <... memfd_create resumed>) = 3 [pid 6325] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6324] <... futex resumed>) = 0 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6325] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6322] <... futex resumed>) = 0 [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] memfd_create("syzkaller", 0 [pid 6326] <... mmap resumed>) = 0x7f41a5370000 [pid 6325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6322] sendfile(-1, -1, NULL, 553647746 [pid 6321] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6328 attached [pid 6327] <... memfd_create resumed>) = 3 [pid 6322] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... write resumed>) = 262144 [pid 6328] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6325] <... clone3 resumed> => {parent_tid=[6328]}, 88) = 6328 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] munmap(0x7f41a5370000, 138412032 [pid 6328] <... rseq resumed>) = 0 [pid 6327] <... mmap resumed>) = 0x7f41a5370000 [pid 6325] rt_sigprocmask(SIG_SETMASK, [] [pid 6322] <... futex resumed>) = 0 [pid 6321] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... munmap resumed>) = 0 [pid 6328] set_robust_list(0x7f41ad7909a0, 24 [pid 6325] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6322] memfd_create("syzkaller", 0 [pid 6321] <... futex resumed>) = 0 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6328] rt_sigprocmask(SIG_SETMASK, [] [pid 6325] <... futex resumed>) = 0 [pid 6322] <... memfd_create resumed>) = 5 [pid 6321] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6320] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6328] memfd_create("syzkaller", 0 [pid 6320] close(5 [pid 6328] <... memfd_create resumed>) = 3 [pid 6322] <... mmap resumed>) = 0x7f41a5370000 [pid 6328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6322] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6320] <... close resumed>) = 0 [pid 6320] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6320] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] <... futex resumed>) = 0 [pid 6319] exit_group(0 [pid 6320] <... futex resumed>) = ? [pid 6319] <... exit_group resumed>) = ? [pid 6320] +++ exited with 0 +++ [pid 6322] <... write resumed>) = 262144 [pid 6322] munmap(0x7f41a5370000, 138412032) = 0 [pid 6322] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6319] +++ exited with 0 +++ [pid 6328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6322] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6319, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6322] close(5 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6322] <... close resumed>) = 0 [pid 6322] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6321] <... futex resumed>) = 0 [pid 6322] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] exit_group(0 [pid 6322] <... futex resumed>) = ? [pid 6321] <... exit_group resumed>) = ? [pid 6322] +++ exited with 0 +++ [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6329 [pid 5609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6329 attached [pid 6326] <... write resumed>) = 1048576 [pid 6329] set_robust_list(0x5555683327a0, 24 [pid 6326] munmap(0x7f41a5370000, 138412032 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6328] <... write resumed>) = 1048576 [pid 6327] <... write resumed>) = 1048576 [pid 6326] <... munmap resumed>) = 0 [pid 6321] +++ exited with 0 +++ [pid 6329] rt_sigprocmask(SIG_SETMASK, [] [pid 6328] munmap(0x7f41a5370000, 138412032 [pid 6329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6328] <... munmap resumed>) = 0 [pid 6327] munmap(0x7f41a5370000, 138412032 [pid 6326] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6321, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6327] <... munmap resumed>) = 0 [pid 6326] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6327] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6326] close(3 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6329] <... prctl resumed>) = 0 [pid 6328] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6327] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6329] setpgid(0, 0 [pid 6328] close(3 [pid 6327] close(3 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6329] <... setpgid resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6329] write(3, "1000", 4) = 4 [pid 6329] close(3ci2-upstream-fs/strace-static-x86_64: Process 6330 attached ) = 0 executing program [pid 6329] write(1, "executing program\n", 18) = 18 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6330 [pid 6330] set_robust_list(0x5555683327a0, 24 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6329] <... futex resumed>) = 0 [pid 6329] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6330] rt_sigprocmask(SIG_SETMASK, [] [pid 6329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6326] <... close resumed>) = 0 [pid 6330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6327] <... close resumed>) = 0 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... prctl resumed>) = 0 [pid 6329] <... mmap resumed>) = 0x7f41ad770000 [pid 6328] <... close resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6330] setpgid(0, 0 [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... setpgid resumed>) = 0 [pid 6329] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6328] <... futex resumed>) = 1 [pid 6327] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] <... mprotect resumed>) = 0 [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = 0 [pid 6326] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... openat resumed>) = 3 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = 0 [pid 6326] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6325] <... futex resumed>) = 0 [pid 6329] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] write(3, "1000", 4 [pid 6328] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] <... write resumed>) = 4 [pid 6329] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6328] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] close(3 [pid 6329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6326] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6324] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6330] <... close resumed>) = 0 [pid 6326] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... openat resumed>) = -1 EFAULT (Bad address) ci2-upstream-fs/strace-static-x86_64: Process 6331 attached [pid 6330] write(1, "executing program\n", 18 [pid 6328] <... futex resumed>) = 1 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = 0 [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6330] <... write resumed>) = 18 [pid 6329] <... clone3 resumed> => {parent_tid=[6331]}, 88) = 6331 [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] <... futex resumed>) = 0 [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... rseq resumed>) = 0 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] rt_sigprocmask(SIG_SETMASK, [] [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 executing program [pid 6323] <... futex resumed>) = 0 [pid 6331] set_robust_list(0x7f41ad7909a0, 24 [pid 6330] <... futex resumed>) = 0 [pid 6328] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6330] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6328] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] rt_sigprocmask(SIG_SETMASK, [] [pid 6330] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 0 [pid 6327] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6327] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6328] <... futex resumed>) = 0 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... futex resumed>) = 0 [pid 6331] memfd_create("syzkaller", 0 [pid 6330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6328] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6327] <... futex resumed>) = 1 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] <... futex resumed>) = 0 [pid 6331] <... memfd_create resumed>) = 3 [pid 6330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6328] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] <... futex resumed>) = 1 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6330] <... mmap resumed>) = 0x7f41ad770000 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6326] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = 0 [pid 6331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6330] <... mprotect resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6327] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... mmap resumed>) = 0x7f41a5370000 [pid 6330] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... futex resumed>) = 0 [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = 1 [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6328] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 1 ci2-upstream-fs/strace-static-x86_64: Process 6332 attached [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6326] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6330] <... clone3 resumed> => {parent_tid=[6332]}, 88) = 6332 [pid 6328] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6330] rt_sigprocmask(SIG_SETMASK, [] [pid 6332] <... rseq resumed>) = 0 [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] set_robust_list(0x7f41ad7909a0, 24 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = 0 [pid 6331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6332] rt_sigprocmask(SIG_SETMASK, [] [pid 6330] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] <... futex resumed>) = 0 [pid 6332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] <... futex resumed>) = 1 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6332] memfd_create("syzkaller", 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... memfd_create resumed>) = 3 [pid 6327] mkdirat(AT_FDCWD, NULL, 0777 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = 0 [pid 6332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6328] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6327] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6326] mkdirat(AT_FDCWD, NULL, 0777 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] <... mmap resumed>) = 0x7f41a5370000 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6327] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 6328] mkdirat(AT_FDCWD, NULL, 0777 [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6326] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] <... futex resumed>) = 0 [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 1 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = 0 [pid 6327] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6326] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6325] <... futex resumed>) = 1 [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = 0 [pid 6328] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME) = 4 [pid 6327] <... openat resumed>) = 4 [pid 6326] <... openat resumed>) = 4 [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6328] <... futex resumed>) = 1 [pid 6327] <... futex resumed>) = 1 [pid 6326] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6328] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... write resumed>) = 1048576 [pid 6328] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 6326] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6331] munmap(0x7f41a5370000, 138412032 [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... munmap resumed>) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6327] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6328] openat(AT_FDCWD, NULL, O_RDWR [pid 6327] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... futex resumed>) = 0 [pid 6328] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] close(3 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6326] openat(AT_FDCWD, NULL, O_RDWR [pid 6324] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6327] openat(AT_FDCWD, NULL, O_RDWR [pid 6326] <... futex resumed>) = 0 [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] <... futex resumed>) = 0 [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6327] <... futex resumed>) = 1 [pid 6326] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6326] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] sendfile(-1, -1, NULL, 553647746 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6328] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... futex resumed>) = 1 [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = 0 [pid 6332] <... write resumed>) = 1048576 [pid 6331] <... close resumed>) = 0 [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] munmap(0x7f41a5370000, 138412032 [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6332] <... munmap resumed>) = 0 [pid 6331] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6328] memfd_create("syzkaller", 0 [pid 6327] sendfile(-1, -1, NULL, 553647746 [pid 6326] sendfile(-1, -1, NULL, 553647746 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] <... memfd_create resumed>) = 5 [pid 6327] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6329] <... futex resumed>) = 0 [pid 6331] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6328] <... mmap resumed>) = 0x7f41a5370000 [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6324] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6332] close(3 [pid 6331] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] memfd_create("syzkaller", 0 [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6323] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6327] <... memfd_create resumed>) = 5 [pid 6323] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6328] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6326] memfd_create("syzkaller", 0 [pid 6331] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6329] <... futex resumed>) = 0 [pid 6327] <... mmap resumed>) = 0x7f41a5370000 [pid 6326] <... memfd_create resumed>) = 5 [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... write resumed>) = 262144 [pid 6331] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6331] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] munmap(0x7f41a5370000, 138412032 [pid 6326] <... mmap resumed>) = 0x7f41a5370000 [pid 6331] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... futex resumed>) = 0 [pid 6328] <... munmap resumed>) = 0 [pid 6327] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... futex resumed>) = 0 [pid 6328] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6326] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6332] <... close resumed>) = 0 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 6328] close(5 [pid 6327] <... write resumed>) = 262144 [pid 6331] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = 0 [pid 6327] munmap(0x7f41a5370000, 138412032 [pid 6326] <... write resumed>) = 262144 [pid 6332] <... futex resumed>) = 1 [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = 0 [pid 6328] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... munmap resumed>) = 0 [pid 6326] munmap(0x7f41a5370000, 138412032 [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] <... futex resumed>) = 1 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6327] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6325] <... futex resumed>) = 0 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] <... futex resumed>) = 0 [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... munmap resumed>) = 0 [pid 6325] exit_group(0 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] <... futex resumed>) = 0 [pid 6332] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6327] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6325] <... exit_group resumed>) = ? [pid 6332] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6331] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] close(5 [pid 6326] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6330] <... futex resumed>) = 0 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6332] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6326] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6329] <... futex resumed>) = 0 [pid 6326] close(5 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = 1 [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] mkdirat(AT_FDCWD, NULL, 0777 [pid 6329] <... futex resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6331] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6330] <... futex resumed>) = 0 [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 6327] <... close resumed>) = 0 [pid 6331] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... openat resumed>) = 4 [pid 6326] <... close resumed>) = 0 [pid 6332] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6331] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6330] <... futex resumed>) = 0 [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6330] <... futex resumed>) = 0 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] +++ exited with 0 +++ [pid 6327] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] +++ exited with 0 +++ [pid 6332] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6331] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6325, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6332] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] exit_group(0 [pid 6323] exit_group(0 [pid 6326] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = ? [pid 6324] <... exit_group resumed>) = ? [pid 6332] <... futex resumed>) = 1 [pid 6331] openat(AT_FDCWD, NULL, O_RDWR [pid 6330] <... futex resumed>) = 0 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... futex resumed>) = ? [pid 6323] <... exit_group resumed>) = ? [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = 0 [pid 6332] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6331] <... futex resumed>) = 1 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] <... futex resumed>) = 0 [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 6331] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL) = -1 EFAULT (Bad address) [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... restart_syscall resumed>) = 0 [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] sendfile(-1, -1, NULL, 553647746) = -1 EBADF (Bad file descriptor) [pid 6329] <... futex resumed>) = 0 [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6332] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6331] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] +++ exited with 0 +++ [pid 6326] +++ exited with 0 +++ [pid 6324] +++ exited with 0 +++ [pid 6323] +++ exited with 0 +++ [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6323, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6332] <... futex resumed>) = 1 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6332] mkdirat(AT_FDCWD, NULL, 0777 [pid 6331] memfd_create("syzkaller", 0 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6332] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6331] <... memfd_create resumed>) = 5 [pid 6330] <... futex resumed>) = 0 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6332] <... futex resumed>) = 0 [pid 6331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6333 attached [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6331] <... mmap resumed>) = 0x7f41a5370000 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6333] set_robust_list(0x5555683327a0, 24 [pid 6331] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6333] <... set_robust_list resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6333 [pid 6333] rt_sigprocmask(SIG_SETMASK, [] [pid 6332] <... futex resumed>) = 0 [pid 6330] <... futex resumed>) = 1 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6334 attached [pid 6333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6332] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6331] <... write resumed>) = 262144 [pid 6331] munmap(0x7f41a5370000, 138412032 [pid 6333] prctl(PR_SET_PDEATHSIG, SIGKILLci2-upstream-fs/strace-static-x86_64: Process 6335 attached [pid 6334] set_robust_list(0x5555683327a0, 24 [pid 6333] <... prctl resumed>) = 0 [pid 6332] <... openat resumed>) = 4 [pid 6331] <... munmap resumed>) = 0 [pid 6335] set_robust_list(0x5555683327a0, 24 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6333] setpgid(0, 0 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6334 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6335 [pid 6331] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6335] <... set_robust_list resumed>) = 0 [pid 6334] rt_sigprocmask(SIG_SETMASK, [] [pid 6333] <... setpgid resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6332] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6335] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6332] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6330] <... futex resumed>) = 0 [pid 6335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6334] <... prctl resumed>) = 0 [pid 6333] <... openat resumed>) = 3 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] close(5 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6334] setpgid(0, 0) = 0 [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... openat resumed>) = 3 [pid 6332] <... futex resumed>) = 0 [pid 6330] <... futex resumed>) = 0 [pid 6332] openat(AT_FDCWD, NULL, O_RDWR [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6334] write(3, "1000", 4 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... write resumed>) = 4 [pid 6334] close(3) = 0 [pid 6334] write(1, "executing program\n", 18) = 18 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6334] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6335] <... prctl resumed>) = 0 [pid 6334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6336 attached [pid 6336] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6335] setpgid(0, 0 [pid 6333] write(3, "1000", 4 executing program [pid 6332] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 0 [pid 6336] <... rseq resumed>) = 0 [pid 6335] <... setpgid resumed>) = 0 [pid 6334] <... clone3 resumed> => {parent_tid=[6336]}, 88) = 6336 [pid 6333] <... write resumed>) = 4 [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] set_robust_list(0x7f41ad7909a0, 24 [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6334] rt_sigprocmask(SIG_SETMASK, [] [pid 6333] close(3 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] <... futex resumed>) = 0 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6332] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... close resumed>) = 0 [pid 6336] rt_sigprocmask(SIG_SETMASK, [] [pid 6335] <... openat resumed>) = 3 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] write(1, "executing program\n", 18 [pid 6332] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6336] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6335] write(3, "1000", 4 [pid 6334] <... futex resumed>) = 0 [pid 6333] <... write resumed>) = 18 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] memfd_create("syzkaller", 0 [pid 6335] <... write resumed>) = 4 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = 1 [pid 6331] <... close resumed>) = 0 [pid 6330] <... futex resumed>) = 0 [pid 6335] close(3 [pid 6336] <... memfd_create resumed>) = 3 [pid 6335] <... close resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 1 [pid 6333] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6335] write(1, "executing program\n", 18 [pid 6333] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6332] sendfile(-1, -1, NULL, 553647746 [pid 6331] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] <... write resumed>) = 18 [pid 6333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6332] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6336] <... mmap resumed>) = 0x7f41a5370000 [pid 6335] <... futex resumed>) = 0 [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6332] <... futex resumed>) = 0 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] exit_group(0 [pid 6335] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6332] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] <... mmap resumed>) = 0x7f41ad770000 [pid 6335] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6331] <... futex resumed>) = ? [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... exit_group resumed>) = ? [pid 6330] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6333] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6332] <... futex resumed>) = 0 [pid 6330] <... futex resumed>) = 1 [pid 6332] memfd_create("syzkaller", 0 [pid 6330] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6332] <... memfd_create resumed>) = 5 [pid 6335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6335] <... mmap resumed>) = 0x7f41ad770000 [pid 6333] <... mprotect resumed>) = 0 [pid 6332] <... mmap resumed>) = 0x7f41a5370000 [pid 6335] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6335] <... mprotect resumed>) = 0 [pid 6333] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6332] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6331] +++ exited with 0 +++ [pid 6329] +++ exited with 0 +++ [pid 6335] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6333] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6335] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6337 attached [pid 6335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6338 attached [pid 6337] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6333] <... clone3 resumed> => {parent_tid=[6337]}, 88) = 6337 [pid 6332] <... write resumed>) = 262144 [pid 6338] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6337] <... rseq resumed>) = 0 [pid 6335] <... clone3 resumed> => {parent_tid=[6338]}, 88) = 6338 [pid 6338] <... rseq resumed>) = 0 [pid 6337] set_robust_list(0x7f41ad7909a0, 24 [pid 6333] rt_sigprocmask(SIG_SETMASK, [] [pid 6338] set_robust_list(0x7f41ad7909a0, 24 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6335] rt_sigprocmask(SIG_SETMASK, [] [pid 6333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6337] rt_sigprocmask(SIG_SETMASK, [] [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] munmap(0x7f41a5370000, 138412032 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6338] rt_sigprocmask(SIG_SETMASK, [] [pid 6337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6332] <... munmap resumed>) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6338] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6337] memfd_create("syzkaller", 0 [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6338] memfd_create("syzkaller", 0 [pid 6337] <... memfd_create resumed>) = 3 [pid 6332] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6338] <... memfd_create resumed>) = 3 [pid 6337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6335] <... futex resumed>) = 0 [pid 6332] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6338] <... mmap resumed>) = 0x7f41a5370000 [pid 6337] <... mmap resumed>) = 0x7f41a5370000 [pid 6332] close(5 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6339 attached [pid 6336] <... write resumed>) = 1048576 [pid 6332] <... close resumed>) = 0 [pid 6339] set_robust_list(0x5555683327a0, 24 [pid 6336] munmap(0x7f41a5370000, 138412032 [pid 6339] <... set_robust_list resumed>) = 0 [pid 6332] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6339 [pid 6339] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6336] <... munmap resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6330] exit_group(0) = ? [pid 6339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6336] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6332] +++ exited with 0 +++ [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6336] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6339] setpgid(0, 0) = 0 [pid 6330] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6330, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6336] close(3 [pid 6339] <... openat resumed>) = 3 [pid 6339] write(3, "1000", 4) = 4 [pid 6339] close(3) = 0 [pid 6339] write(1, "executing program\n", 18) = 18 executing program [pid 5605] <... restart_syscall resumed>) = 0 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6339] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6338] <... write resumed>) = 1048576 [pid 6337] <... write resumed>) = 1048576 [pid 6336] <... close resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] munmap(0x7f41a5370000, 138412032 [pid 6337] munmap(0x7f41a5370000, 138412032 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6339] <... mmap resumed>) = 0x7f41ad770000 [pid 6338] <... munmap resumed>) = 0 [pid 6337] <... munmap resumed>) = 0 [pid 6336] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6339] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6338] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6337] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... mprotect resumed>) = 0 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6334] <... futex resumed>) = 0 [pid 6339] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6336] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000ci2-upstream-fs/strace-static-x86_64: Process 6340 attached [pid 6339] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6338] close(3 [pid 6337] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6336] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6340] set_robust_list(0x5555683327a0, 24 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6340 [pid 6340] <... set_robust_list resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6340] rt_sigprocmask(SIG_SETMASK, [] [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6336] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6341 attached [pid 6340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6337] close(3 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6340] <... prctl resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6341] <... rseq resumed>) = 0 [pid 6340] setpgid(0, 0 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] set_robust_list(0x7f41ad7909a0, 24 [pid 6340] <... setpgid resumed>) = 0 [pid 6336] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6340] <... openat resumed>) = 3 [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] write(3, "1000", 4 [pid 6339] <... clone3 resumed> => {parent_tid=[6341]}, 88) = 6341 [pid 6338] <... close resumed>) = 0 [pid 6337] <... close resumed>) = 0 [pid 6336] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6340] <... write resumed>) = 4 [pid 6339] rt_sigprocmask(SIG_SETMASK, [] [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] close(3 [pid 6339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6340] <... close resumed>) = 0 [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6340] write(1, "executing program\n", 18 [pid 6339] <... futex resumed>) = 1 [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6341] memfd_create("syzkaller", 0 [pid 6340] <... write resumed>) = 18 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6338] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6337] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6336] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... memfd_create resumed>) = 3 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6337] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6336] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 0 [pid 6336] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] <... futex resumed>) = 0 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = 0 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6340] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6338] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6337] <... futex resumed>) = 1 [pid 6336] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... futex resumed>) = 0 [pid 6341] <... mmap resumed>) = 0x7f41a5370000 [pid 6340] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 0 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 0 [pid 6340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6338] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6337] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6336] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6338] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = 0 [pid 6340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6337] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6338] <... futex resumed>) = 0 [pid 6336] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] <... mmap resumed>) = 0x7f41ad770000 [pid 6338] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 0 [pid 6341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6340] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6337] <... futex resumed>) = 1 [pid 6340] <... mprotect resumed>) = 0 [pid 6338] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 0 [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 1 [pid 6341] <... write resumed>) = 1048576 [pid 6340] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6336] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] munmap(0x7f41a5370000, 138412032 [pid 6340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6338] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6337] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6342 attached [pid 6341] <... munmap resumed>) = 0 [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = 0 [pid 6340] <... clone3 resumed> => {parent_tid=[6342]}, 88) = 6342 [pid 6337] <... futex resumed>) = 1 [pid 6336] mkdirat(AT_FDCWD, NULL, 0777 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... futex resumed>) = 0 [pid 6342] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6341] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6340] rt_sigprocmask(SIG_SETMASK, [] [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... rseq resumed>) = 0 [pid 6341] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6338] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6333] <... futex resumed>) = 0 [pid 6342] set_robust_list(0x7f41ad7909a0, 24 [pid 6341] close(3 [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... set_robust_list resumed>) = 0 [pid 6336] <... futex resumed>) = 1 [pid 6342] rt_sigprocmask(SIG_SETMASK, [] [pid 6334] <... futex resumed>) = 0 [pid 6342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6337] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] memfd_create("syzkaller", 0 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6338] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6337] <... futex resumed>) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6333] <... futex resumed>) = 0 [pid 6336] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = 1 [pid 6342] <... memfd_create resumed>) = 3 [pid 6342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6338] mkdirat(AT_FDCWD, NULL, 0777 [pid 6336] <... openat resumed>) = 4 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6342] <... mmap resumed>) = 0x7f41a5370000 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6336] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6335] <... futex resumed>) = 0 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... close resumed>) = 0 [pid 6338] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] <... futex resumed>) = 1 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 0 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... futex resumed>) = 0 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = 0 [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6337] mkdirat(AT_FDCWD, NULL, 0777 [pid 6336] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... openat resumed>) = 4 [pid 6337] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6336] openat(AT_FDCWD, NULL, O_RDWR [pid 6334] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 1 [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 1 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 0 [pid 6341] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6337] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... openat resumed>) = 4 [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6338] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6336] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6341] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6337] <... futex resumed>) = 1 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... futex resumed>) = 0 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 0 [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6338] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 0 [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6338] openat(AT_FDCWD, NULL, O_RDWR [pid 6337] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6336] sendfile(-1, -1, NULL, 553647746 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 0 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6338] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] openat(AT_FDCWD, NULL, O_RDWR [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 0 [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6335] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] memfd_create("syzkaller", 0 [pid 6334] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6333] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6338] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6337] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6336] <... memfd_create resumed>) = 5 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 0 [pid 6341] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... futex resumed>) = 1 [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... futex resumed>) = 0 [pid 6337] sendfile(-1, -1, NULL, 553647746 [pid 6335] <... futex resumed>) = 0 [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... futex resumed>) = 0 [pid 6338] sendfile(-1, -1, NULL, 553647746 [pid 6336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6341] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6338] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... mmap resumed>) = 0x7f41a5370000 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6337] memfd_create("syzkaller", 0 [pid 6335] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6341] mkdirat(AT_FDCWD, NULL, 0777 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] memfd_create("syzkaller", 0 [pid 6337] <... memfd_create resumed>) = 5 [pid 6336] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6335] <... futex resumed>) = 0 [pid 6341] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6338] <... memfd_create resumed>) = 5 [pid 6337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6335] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... mmap resumed>) = 0x7f41a5370000 [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6339] <... futex resumed>) = 0 [pid 6338] <... mmap resumed>) = 0x7f41a5370000 [pid 6341] <... openat resumed>) = 4 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6341] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6337] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6342] <... write resumed>) = 1048576 [pid 6341] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6339] <... futex resumed>) = 0 [pid 6336] <... write resumed>) = 262144 [pid 6342] munmap(0x7f41a5370000, 138412032 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6342] <... munmap resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... write resumed>) = 262144 [pid 6342] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6341] openat(AT_FDCWD, NULL, O_RDWR [pid 6339] <... futex resumed>) = 0 [pid 6337] <... write resumed>) = 262144 [pid 6336] munmap(0x7f41a5370000, 138412032 [pid 6342] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6341] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] close(3 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] munmap(0x7f41a5370000, 138412032 [pid 6342] <... close resumed>) = 0 [pid 6337] munmap(0x7f41a5370000, 138412032 [pid 6336] <... munmap resumed>) = 0 [pid 6338] <... munmap resumed>) = 0 [pid 6337] <... munmap resumed>) = 0 [pid 6336] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6338] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6337] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6336] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6342] <... futex resumed>) = 1 [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] <... futex resumed>) = 0 [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6337] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6336] close(5 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... futex resumed>) = 0 [pid 6338] close(5 [pid 6336] <... close resumed>) = 0 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6340] <... futex resumed>) = 0 [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] close(5 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6341] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6342] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] sendfile(-1, -1, NULL, 553647746 [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6341] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... close resumed>) = 0 [pid 6342] <... futex resumed>) = 1 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... close resumed>) = 0 [pid 6336] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 1 [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6338] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] exit_group(0 [pid 6334] exit_group(0 [pid 6342] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6341] memfd_create("syzkaller", 0 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6338] <... futex resumed>) = ? [pid 6337] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = ? [pid 6335] <... exit_group resumed>) = ? [pid 6334] <... exit_group resumed>) = ? [pid 6333] <... futex resumed>) = 0 [pid 6342] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6341] <... memfd_create resumed>) = 5 [pid 6338] +++ exited with 0 +++ [pid 6337] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] +++ exited with 0 +++ [pid 6333] exit_group(0 [pid 6341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... mmap resumed>) = 0x7f41a5370000 [pid 6337] <... futex resumed>) = ? [pid 6333] <... exit_group resumed>) = ? [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6335] +++ exited with 0 +++ [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6335, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6334] +++ exited with 0 +++ [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] +++ exited with 0 +++ [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6334, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6342] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = 1 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6342] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6341] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] +++ exited with 0 +++ [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 1 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6333, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6342] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5601] <... restart_syscall resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6343 attached [pid 6342] mkdirat(AT_FDCWD, NULL, 0777 [pid 6341] <... write resumed>) = 262144 [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6341] munmap(0x7f41a5370000, 138412032 [pid 6340] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6342] <... futex resumed>) = 0 [pid 6343] set_robust_list(0x5555683327a0, 24 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... munmap resumed>) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6343 [pid 6343] <... set_robust_list resumed>) = 0 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6340] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6343] rt_sigprocmask(SIG_SETMASK, [] [pid 6342] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6341] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6342] <... openat resumed>) = 4 [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6343] setpgid(0, 0) = 0 [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6344 attached [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6342] <... futex resumed>) = 1 [pid 6341] close(5 [pid 6340] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] set_robust_list(0x5555683327a0, 24 [pid 6343] <... openat resumed>) = 3 [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6344] rt_sigprocmask(SIG_SETMASK, [] [pid 6342] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6344 [pid 6341] <... close resumed>) = 0 [pid 6344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6343] write(3, "1000", 4 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] <... write resumed>) = 4 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6344] <... prctl resumed>) = 0 [pid 6343] close(3 [pid 6341] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] setpgid(0, 0 [pid 6343] <... close resumed>) = 0 [pid 6342] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6341] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6345 attached [pid 6344] <... setpgid resumed>) = 0 [pid 6343] write(1, "executing program\n", 18 [pid 6341] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] set_robust_list(0x5555683327a0, 24 [pid 6344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6343] <... write resumed>) = 18 [pid 6339] exit_group(0 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6345 [pid 6341] <... futex resumed>) = ? [pid 6344] <... openat resumed>) = 3 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... exit_group resumed>) = ? [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] write(3, "1000", 4 [pid 6343] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6344] <... write resumed>) = 4 [pid 6343] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6344] close(3 [pid 6343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6344] <... close resumed>) = 0 [pid 6343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6342] openat(AT_FDCWD, NULL, O_RDWR [pid 6344] write(1, "executing program\n", 18 executing program [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6345] rt_sigprocmask(SIG_SETMASK, [] [pid 6344] <... write resumed>) = 18 [pid 6343] <... mmap resumed>) = 0x7f41ad770000 [pid 6342] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... mprotect resumed>) = 0 [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6344] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6345] <... prctl resumed>) = 0 [pid 6344] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6343] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] setpgid(0, 0 [pid 6344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6346 attached [pid 6345] <... setpgid resumed>) = 0 [pid 6344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6342] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] <... rseq resumed>) = 0 [pid 6344] <... mmap resumed>) = 0x7f41ad770000 [pid 6343] <... clone3 resumed> => {parent_tid=[6346]}, 88) = 6346 [pid 6346] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6344] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6343] rt_sigprocmask(SIG_SETMASK, [] [pid 6346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6344] <... mprotect resumed>) = 0 [pid 6343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6346] memfd_create("syzkaller", 0 [pid 6344] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6346] <... memfd_create resumed>) = 3 [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6347 attached [pid 6346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6344] <... clone3 resumed> => {parent_tid=[6347]}, 88) = 6347 [pid 6347] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6346] <... mmap resumed>) = 0x7f41a5370000 [pid 6345] <... openat resumed>) = 3 [pid 6344] rt_sigprocmask(SIG_SETMASK, [] [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6347] <... rseq resumed>) = 0 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] write(3, "1000", 4 [pid 6344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6345] <... write resumed>) = 4 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6345] close(3 [pid 6342] sendfile(-1, -1, NULL, 553647746 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] <... close resumed>) = 0 [pid 6342] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] set_robust_list(0x7f41ad7909a0, 24 [pid 6345] write(1, "executing program\n", 18 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = 1 [pid 6341] +++ exited with 0 +++ [pid 6340] <... futex resumed>) = 0 [pid 6339] +++ exited with 0 +++ executing program [pid 6347] <... set_robust_list resumed>) = 0 [pid 6345] <... write resumed>) = 18 [pid 6344] <... futex resumed>) = 0 [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] rt_sigprocmask(SIG_SETMASK, [] [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6339, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6342] memfd_create("syzkaller", 0 [pid 6340] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6347] memfd_create("syzkaller", 0 [pid 6346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6345] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6342] <... memfd_create resumed>) = 5 [pid 6347] <... memfd_create resumed>) = 3 [pid 6345] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6342] <... mmap resumed>) = 0x7f41a5370000 [pid 6345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6345] <... mmap resumed>) = 0x7f41ad770000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6347] <... mmap resumed>) = 0x7f41a5370000 [pid 6345] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6345] <... mprotect resumed>) = 0 [pid 6342] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6345] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6345] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6348 attached => {parent_tid=[6348]}, 88) = 6348 [pid 6348] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6345] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6349 attached [pid 6348] <... rseq resumed>) = 0 [pid 6345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6348] set_robust_list(0x7f41ad7909a0, 24 [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... write resumed>) = 262144 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6342] munmap(0x7f41a5370000, 138412032 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6349] set_robust_list(0x5555683327a0, 24 [pid 6348] rt_sigprocmask(SIG_SETMASK, [] [pid 6342] <... munmap resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6349 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6342] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6349] rt_sigprocmask(SIG_SETMASK, [] [pid 6348] memfd_create("syzkaller", 0 [pid 6342] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6348] <... memfd_create resumed>) = 3 [pid 6342] close(5 [pid 6348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] <... mmap resumed>) = 0x7f41a5370000 [pid 6349] <... prctl resumed>) = 0 [pid 6342] <... close resumed>) = 0 [pid 6349] setpgid(0, 0) = 0 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6342] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] write(3, "1000", 4 [pid 6346] <... write resumed>) = 1048576 [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6349] <... write resumed>) = 4 [pid 6349] close(3) = 0 [pid 6340] exit_group(0 [pid 6349] write(1, "executing program\n", 18 [pid 6346] munmap(0x7f41a5370000, 138412032 executing program [pid 6342] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] <... write resumed>) = 18 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... munmap resumed>) = 0 [pid 6342] <... futex resumed>) = ? [pid 6340] <... exit_group resumed>) = ? [pid 6349] <... futex resumed>) = 0 [pid 6349] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6346] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6349] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6346] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] close(3 [pid 6349] <... mmap resumed>) = 0x7f41ad770000 [pid 6349] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6342] +++ exited with 0 +++ [pid 6340] +++ exited with 0 +++ [pid 6349] <... mprotect resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6340, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6349] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6349] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6348] <... write resumed>) = 1048576 [pid 6347] <... write resumed>) = 1048576 [pid 6346] <... close resumed>) = 0 [pid 6349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6348] munmap(0x7f41a5370000, 138412032 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6349] <... clone3 resumed> => {parent_tid=[6350]}, 88) = 6350 [pid 6347] munmap(0x7f41a5370000, 138412032 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6350 attached [pid 6349] rt_sigprocmask(SIG_SETMASK, [] [pid 6348] <... munmap resumed>) = 0 [pid 6347] <... munmap resumed>) = 0 [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6350] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... rseq resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6348] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6347] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6350] set_robust_list(0x7f41ad7909a0, 24 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... set_robust_list resumed>) = 0 [pid 6348] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6347] close(3 [pid 6346] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6350] rt_sigprocmask(SIG_SETMASK, [] [pid 6348] close(3 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6346] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] memfd_create("syzkaller", 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6350] <... memfd_create resumed>) = 3 [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6346] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... futex resumed>) = 0 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6346] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... mmap resumed>) = 0x7f41a5370000 [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 1 [pid 6346] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... mmap resumed>) = -1 EBADF (Bad file descriptor) ci2-upstream-fs/strace-static-x86_64: Process 6351 attached [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6351 [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6346] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6351] set_robust_list(0x5555683327a0, 24) = 0 [pid 6347] <... close resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6347] <... futex resumed>) = 1 [pid 6351] <... prctl resumed>) = 0 [pid 6347] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] <... futex resumed>) = 0 [pid 6351] setpgid(0, 0 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... setpgid resumed>) = 0 [pid 6347] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6344] <... futex resumed>) = 0 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6347] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] write(3, "1000", 4 [pid 6347] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6348] <... close resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... write resumed>) = 4 [pid 6348] <... futex resumed>) = 1 [pid 6347] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6345] <... futex resumed>) = 0 [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] close(3 [pid 6347] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6345] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... close resumed>) = 0 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6344] <... futex resumed>) = 0 [pid 6351] write(1, "executing program\n", 18 executing program [pid 6347] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... write resumed>) = 18 [pid 6348] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6347] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] <... futex resumed>) = 0 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] <... futex resumed>) = 0 [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 [pid 6346] <... futex resumed>) = 1 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 6351] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6347] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6348] <... futex resumed>) = 1 [pid 6347] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6346] mkdirat(AT_FDCWD, NULL, 0777 [pid 6345] <... futex resumed>) = 0 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... futex resumed>) = 0 [pid 6351] <... mmap resumed>) = 0x7f41ad770000 [pid 6348] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6347] <... futex resumed>) = 1 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] <... futex resumed>) = 0 [pid 6348] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6348] <... futex resumed>) = 1 [pid 6347] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6346] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6351] <... mprotect resumed>) = 0 [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 0 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6346] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6345] <... futex resumed>) = 0 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6352 attached [pid 6348] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... openat resumed>) = 4 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6351] <... clone3 resumed> => {parent_tid=[6352]}, 88) = 6352 [pid 6348] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... futex resumed>) = 1 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 0 [pid 6352] <... rseq resumed>) = 0 [pid 6351] rt_sigprocmask(SIG_SETMASK, [] [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] <... futex resumed>) = 1 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6352] set_robust_list(0x7f41ad7909a0, 24 [pid 6351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6348] <... futex resumed>) = 1 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... set_robust_list resumed>) = 0 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] mkdirat(AT_FDCWD, NULL, 0777 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... futex resumed>) = 0 [pid 6352] rt_sigprocmask(SIG_SETMASK, [] [pid 6351] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6346] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6345] <... futex resumed>) = 0 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6348] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] memfd_create("syzkaller", 0 [pid 6344] <... futex resumed>) = 0 [pid 6348] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... memfd_create resumed>) = 3 [pid 6347] <... futex resumed>) = 1 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6346] <... futex resumed>) = 1 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6352] <... mmap resumed>) = 0x7f41a5370000 [pid 6348] <... futex resumed>) = 1 [pid 6347] <... openat resumed>) = 4 [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... futex resumed>) = 0 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6350] <... write resumed>) = 1048576 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6350] munmap(0x7f41a5370000, 138412032 [pid 6348] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6345] <... futex resumed>) = 0 [pid 6350] <... munmap resumed>) = 0 [pid 6347] <... futex resumed>) = 1 [pid 6346] openat(AT_FDCWD, NULL, O_RDWR [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] <... futex resumed>) = 0 [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6346] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6348] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6350] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 0 [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... futex resumed>) = 1 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... futex resumed>) = 0 [pid 6350] close(3 [pid 6348] <... futex resumed>) = 1 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... futex resumed>) = 0 [pid 6346] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] openat(AT_FDCWD, NULL, O_RDWR [pid 6346] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6345] <... futex resumed>) = 0 [pid 6347] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] mkdirat(AT_FDCWD, NULL, 0777 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6348] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6347] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 1 [pid 6348] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6347] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6346] sendfile(-1, -1, NULL, 553647746 [pid 6345] <... futex resumed>) = 0 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... write resumed>) = 1048576 [pid 6348] <... openat resumed>) = 4 [pid 6347] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6346] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] munmap(0x7f41a5370000, 138412032 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... munmap resumed>) = 0 [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 1 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6346] memfd_create("syzkaller", 0 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6348] <... futex resumed>) = 1 [pid 6347] sendfile(-1, -1, NULL, 553647746 [pid 6346] <... memfd_create resumed>) = 5 [pid 6345] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6352] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6352] close(3 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... mmap resumed>) = 0x7f41a5370000 [pid 6345] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... close resumed>) = 0 [pid 6348] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 [pid 6344] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6348] openat(AT_FDCWD, NULL, O_RDWR [pid 6347] memfd_create("syzkaller", 0 [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 0 [pid 6350] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6345] <... futex resumed>) = 0 [pid 6350] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6349] <... futex resumed>) = 0 [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... memfd_create resumed>) = 5 [pid 6346] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... futex resumed>) = 0 [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... mmap resumed>) = 0x7f41a5370000 [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... close resumed>) = 0 [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6346] <... write resumed>) = 262144 [pid 6345] <... futex resumed>) = 0 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6348] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6352] <... futex resumed>) = 1 [pid 6350] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6349] <... futex resumed>) = 0 [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] munmap(0x7f41a5370000, 138412032 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 0 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 [pid 6346] <... munmap resumed>) = 0 [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] sendfile(-1, -1, NULL, 553647746 [pid 6347] <... write resumed>) = 262144 [pid 6346] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] munmap(0x7f41a5370000, 138412032 [pid 6346] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6345] <... futex resumed>) = 0 [pid 6352] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6350] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 1 [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... munmap resumed>) = 0 [pid 6346] close(5 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6346] <... close resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6352] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6348] memfd_create("syzkaller", 0 [pid 6347] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6346] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... futex resumed>) = 0 [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6348] <... memfd_create resumed>) = 5 [pid 6347] close(5 [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6352] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... futex resumed>) = 0 [pid 6348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6348] <... mmap resumed>) = 0x7f41a5370000 [pid 6347] <... close resumed>) = 0 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] <... futex resumed>) = 0 [pid 6343] exit_group(0 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = ? [pid 6343] <... exit_group resumed>) = ? [pid 6352] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6348] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6346] +++ exited with 0 +++ [pid 6344] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = 1 [pid 6350] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6352] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] exit_group(0 [pid 6351] <... futex resumed>) = 0 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6344] <... exit_group resumed>) = ? [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] mkdirat(AT_FDCWD, NULL, 0777 [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6350] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6349] <... futex resumed>) = 0 [pid 6343] +++ exited with 0 +++ [pid 6352] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6352] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6352] <... futex resumed>) = 0 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] +++ exited with 0 +++ [pid 6344] +++ exited with 0 +++ [pid 6352] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6351] <... futex resumed>) = 0 [pid 6350] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6348] <... write resumed>) = 262144 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... openat resumed>) = 4 [pid 6348] munmap(0x7f41a5370000, 138412032 [pid 6352] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6344, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5601] <... restart_syscall resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... munmap resumed>) = 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6350] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6348] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6352] mkdirat(AT_FDCWD, NULL, 0777 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] close(5 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6352] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 0 [pid 6348] <... close resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6352] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6350] openat(AT_FDCWD, NULL, O_RDWR [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6352] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6348] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6345] exit_group(0 [pid 6349] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6354 attached ci2-upstream-fs/strace-static-x86_64: Process 6353 attached [pid 6352] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6351] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... exit_group resumed>) = ? [pid 6354] set_robust_list(0x5555683327a0, 24 [pid 6353] set_robust_list(0x5555683327a0, 24 [pid 6352] <... openat resumed>) = 4 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6349] <... futex resumed>) = 0 [pid 6348] +++ exited with 0 +++ [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6354 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] <... set_robust_list resumed>) = 0 [pid 6352] <... futex resumed>) = 0 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6353 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6354] rt_sigprocmask(SIG_SETMASK, [] [pid 6352] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6351] <... futex resumed>) = 0 [pid 6354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [] [pid 6352] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6352] <... futex resumed>) = 0 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6354] <... prctl resumed>) = 0 [pid 6353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6352] openat(AT_FDCWD, NULL, O_RDWR [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] +++ exited with 0 +++ [pid 6354] setpgid(0, 0 [pid 6353] <... prctl resumed>) = 0 [pid 6352] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6354] <... setpgid resumed>) = 0 [pid 6353] setpgid(0, 0 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] sendfile(-1, -1, NULL, 553647746 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6345, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6353] <... setpgid resumed>) = 0 [pid 6352] <... futex resumed>) = 0 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... openat resumed>) = 3 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6352] <... futex resumed>) = 0 [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] sendfile(-1, -1, NULL, 553647746 [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6353] <... openat resumed>) = 3 [pid 6354] write(3, "1000", 4 [pid 6353] write(3, "1000", 4 [pid 6352] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] <... write resumed>) = 4 [pid 6349] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6354] close(3 [pid 6353] <... write resumed>) = 4 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6354] <... close resumed>) = 0 [pid 6353] close(3 [pid 6352] <... futex resumed>) = 0 [pid 6349] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6354] write(1, "executing program\n", 18 [pid 6353] <... close resumed>) = 0 executing program [pid 6352] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] memfd_create("syzkaller", 0 [pid 6354] <... write resumed>) = 18 [pid 6353] write(1, "executing program\n", 18) = 18 executing program [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... memfd_create resumed>) = 5 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] memfd_create("syzkaller", 0 [pid 6351] <... futex resumed>) = 0 [pid 6350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6352] <... memfd_create resumed>) = 5 [pid 6351] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6350] <... mmap resumed>) = 0x7f41a5370000 [pid 6354] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6354] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6353] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6352] <... mmap resumed>) = 0x7f41a5370000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6353] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6350] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 6355 attached ) = 0x7f41ad770000 [pid 6353] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6353] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6354] <... mmap resumed>) = 0x7f41ad770000 [pid 6353] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6356 attached [pid 6355] set_robust_list(0x5555683327a0, 24 [pid 6354] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6355] <... set_robust_list resumed>) = 0 [pid 6356] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6354] <... mprotect resumed>) = 0 [pid 6353] <... clone3 resumed> => {parent_tid=[6356]}, 88) = 6356 [pid 6356] <... rseq resumed>) = 0 [pid 6355] rt_sigprocmask(SIG_SETMASK, [] [pid 6354] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6353] rt_sigprocmask(SIG_SETMASK, [] [pid 6352] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6350] <... write resumed>) = 262144 [pid 6356] set_robust_list(0x7f41ad7909a0, 24 [pid 6355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6354] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6355 [pid 6354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6357 attached [pid 6356] <... set_robust_list resumed>) = 0 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6356] rt_sigprocmask(SIG_SETMASK, [] [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6353] <... futex resumed>) = 0 [pid 6357] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6355] <... prctl resumed>) = 0 [pid 6354] <... clone3 resumed> => {parent_tid=[6357]}, 88) = 6357 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6350] munmap(0x7f41a5370000, 138412032 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6357] <... rseq resumed>) = 0 [pid 6356] memfd_create("syzkaller", 0 [pid 6355] setpgid(0, 0 [pid 6354] rt_sigprocmask(SIG_SETMASK, [] [pid 6350] <... munmap resumed>) = 0 [pid 6357] set_robust_list(0x7f41ad7909a0, 24 [pid 6356] <... memfd_create resumed>) = 3 [pid 6355] <... setpgid resumed>) = 0 [pid 6354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6352] <... write resumed>) = 262144 [pid 6350] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6357] <... set_robust_list resumed>) = 0 [pid 6356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] munmap(0x7f41a5370000, 138412032 [pid 6350] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6357] rt_sigprocmask(SIG_SETMASK, [] [pid 6356] <... mmap resumed>) = 0x7f41a5370000 [pid 6355] <... openat resumed>) = 3 [pid 6354] <... futex resumed>) = 0 [pid 6352] <... munmap resumed>) = 0 [pid 6357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6350] close(5 [pid 6357] memfd_create("syzkaller", 0 [pid 6355] write(3, "1000", 4 [pid 6352] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6357] <... memfd_create resumed>) = 3 [pid 6355] <... write resumed>) = 4 [pid 6357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6355] close(3 [pid 6352] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6357] <... mmap resumed>) = 0x7f41a5370000 [pid 6355] <... close resumed>) = 0 [pid 6352] close(5 [pid 6355] write(1, "executing program\n", 18 [pid 6350] <... close resumed>) = 0 executing program [pid 6350] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6356] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6355] <... write resumed>) = 18 [pid 6352] <... close resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] exit_group(0 [pid 6355] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6352] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] exit_group(0 [pid 6350] <... futex resumed>) = ? [pid 6349] <... exit_group resumed>) = ? [pid 6355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6351] <... exit_group resumed>) = ? [pid 6350] +++ exited with 0 +++ [pid 6355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6352] <... futex resumed>) = ? [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6355] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6349] +++ exited with 0 +++ [pid 6355] <... mprotect resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6355] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6352] +++ exited with 0 +++ [pid 6351] +++ exited with 0 +++ [pid 5609] <... restart_syscall resumed>) = 0 [pid 6355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6351, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- ci2-upstream-fs/strace-static-x86_64: Process 6358 attached [pid 6357] <... write resumed>) = 1048576 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6357] munmap(0x7f41a5370000, 138412032 [pid 6355] <... clone3 resumed> => {parent_tid=[6358]}, 88) = 6358 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6358] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6358] <... rseq resumed>) = 0 [pid 6357] <... munmap resumed>) = 0 [pid 6355] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6358] set_robust_list(0x7f41ad7909a0, 24 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6358] <... set_robust_list resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6358] rt_sigprocmask(SIG_SETMASK, [] [pid 6355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6357] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6355] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6359 attached [pid 6358] memfd_create("syzkaller", 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6358] <... memfd_create resumed>) = 3 [pid 6357] close(3 [pid 6359] set_robust_list(0x5555683327a0, 24 [pid 6358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6359 [pid 6359] <... set_robust_list resumed>) = 0 [pid 6359] rt_sigprocmask(SIG_SETMASK, [] [pid 6358] <... mmap resumed>) = 0x7f41a5370000 [pid 5609] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6360 attached [pid 6359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6356] <... write resumed>) = 1048576 [pid 6356] munmap(0x7f41a5370000, 138412032 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6360] set_robust_list(0x5555683327a0, 24 [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6360] <... set_robust_list resumed>) = 0 [pid 6356] <... munmap resumed>) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6360 [pid 6360] rt_sigprocmask(SIG_SETMASK, [] [pid 6359] <... prctl resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6356] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6359] setpgid(0, 0 [pid 6360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] <... setpgid resumed>) = 0 [pid 6356] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6360] <... prctl resumed>) = 0 [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6356] close(3 [pid 6360] setpgid(0, 0 [pid 6359] <... openat resumed>) = 3 [pid 6360] <... setpgid resumed>) = 0 [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] write(3, "1000", 4 [pid 6360] <... openat resumed>) = 3 [pid 6359] <... write resumed>) = 4 [pid 6360] write(3, "1000", 4 [pid 6359] close(3 [pid 6358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6360] <... write resumed>) = 4 [pid 6359] <... close resumed>) = 0 [pid 6360] close(3 [pid 6359] write(1, "executing program\n", 18 [pid 6357] <... close resumed>) = 0 executing program [pid 6359] <... write resumed>) = 18 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... close resumed>) = 0 [pid 6357] <... futex resumed>) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... close resumed>) = 0 [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6357] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6356] <... futex resumed>) = 1 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 6360] write(1, "executing program\n", 18 [pid 6359] <... futex resumed>) = 0 [pid 6358] <... write resumed>) = 1048576 [pid 6357] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] <... futex resumed>) = 0 [pid 6360] <... write resumed>) = 18 [pid 6359] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6358] munmap(0x7f41a5370000, 138412032 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6358] <... munmap resumed>) = 0 [pid 6357] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = 0 [pid 6359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6354] <... futex resumed>) = 0 [pid 6360] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6357] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6359] <... mmap resumed>) = 0x7f41ad770000 [pid 6358] close(3 [pid 6357] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6356] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6359] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6359] <... mprotect resumed>) = 0 [pid 6357] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6356] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... mmap resumed>) = 0x7f41ad770000 [pid 6359] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6360] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6357] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6356] <... futex resumed>) = 1 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... futex resumed>) = 0 [pid 6360] <... mprotect resumed>) = 0 [pid 6359] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6357] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6358] <... close resumed>) = 0 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6361 attached [pid 6360] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = 1 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6359] <... clone3 resumed> => {parent_tid=[6361]}, 88) = 6361 [pid 6357] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6356] <... futex resumed>) = 0 [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 6362 attached [pid 6361] <... rseq resumed>) = 0 [pid 6359] rt_sigprocmask(SIG_SETMASK, [] [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] set_robust_list(0x7f41ad7909a0, 24 [pid 6360] <... clone3 resumed> => {parent_tid=[6362]}, 88) = 6362 [pid 6362] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6358] <... futex resumed>) = 1 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 0 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... futex resumed>) = 0 [pid 6362] <... rseq resumed>) = 0 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6360] rt_sigprocmask(SIG_SETMASK, [] [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] <... futex resumed>) = 0 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] set_robust_list(0x7f41ad7909a0, 24 [pid 6361] rt_sigprocmask(SIG_SETMASK, [] [pid 6360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... futex resumed>) = 0 [pid 6355] <... futex resumed>) = 0 [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6358] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... futex resumed>) = 0 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] rt_sigprocmask(SIG_SETMASK, [] [pid 6361] memfd_create("syzkaller", 0 [pid 6360] <... futex resumed>) = 0 [pid 6358] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6357] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... futex resumed>) = 0 [pid 6362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6361] <... memfd_create resumed>) = 3 [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6362] memfd_create("syzkaller", 0 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6356] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] <... memfd_create resumed>) = 3 [pid 6361] <... mmap resumed>) = 0x7f41a5370000 [pid 6358] <... futex resumed>) = 1 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... mmap resumed>) = 0x7f41a5370000 [pid 6355] <... futex resumed>) = 0 [pid 6358] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6357] <... futex resumed>) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6358] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6357] mkdirat(AT_FDCWD, NULL, 0777 [pid 6356] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 1 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] <... futex resumed>) = 0 [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6357] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6353] <... futex resumed>) = 0 [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... futex resumed>) = 0 [pid 6355] <... futex resumed>) = 1 [pid 6357] <... openat resumed>) = 4 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6358] <... futex resumed>) = 1 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... futex resumed>) = 0 [pid 6358] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = 1 [pid 6356] mkdirat(AT_FDCWD, NULL, 0777 [pid 6354] <... futex resumed>) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6354] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6356] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6357] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... openat resumed>) = 4 [pid 6357] openat(AT_FDCWD, NULL, O_RDWR [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6357] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6356] <... futex resumed>) = 1 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... futex resumed>) = 0 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = 0 [pid 6357] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6356] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6354] <... futex resumed>) = 0 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6362] <... write resumed>) = 1048576 [pid 6361] <... write resumed>) = 1048576 [pid 6358] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] munmap(0x7f41a5370000, 138412032 [pid 6361] munmap(0x7f41a5370000, 138412032 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6362] <... munmap resumed>) = 0 [pid 6361] <... munmap resumed>) = 0 [pid 6358] <... futex resumed>) = 1 [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] <... futex resumed>) = 0 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] openat(AT_FDCWD, NULL, O_RDWR [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] mkdirat(AT_FDCWD, NULL, 0777 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6362] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6361] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6358] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6357] sendfile(-1, -1, NULL, 553647746 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6361] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... futex resumed>) = 0 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] close(3 [pid 6361] close(3 [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = 0 [pid 6358] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 1 [pid 6356] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6354] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] memfd_create("syzkaller", 0 [pid 6356] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6358] <... openat resumed>) = 4 [pid 6357] <... memfd_create resumed>) = 5 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6356] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6357] <... mmap resumed>) = 0x7f41a5370000 [pid 6356] sendfile(-1, -1, NULL, 553647746 [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6358] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6356] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = 0 [pid 6358] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6357] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6358] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] memfd_create("syzkaller", 0 [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... close resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... memfd_create resumed>) = 5 [pid 6355] <... futex resumed>) = 0 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6360] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6356] <... mmap resumed>) = 0x7f41a5370000 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6358] openat(AT_FDCWD, NULL, O_RDWR [pid 6362] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6357] <... write resumed>) = 262144 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... futex resumed>) = 0 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 0 [pid 6361] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6360] <... futex resumed>) = 1 [pid 6358] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6357] munmap(0x7f41a5370000, 138412032 [pid 6356] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6362] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6361] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... munmap resumed>) = 0 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] sendfile(-1, -1, NULL, 553647746 [pid 6357] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6360] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] memfd_create("syzkaller", 0 [pid 6357] close(5 [pid 6355] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... memfd_create resumed>) = 5 [pid 6356] <... write resumed>) = 262144 [pid 6360] <... futex resumed>) = 0 [pid 6361] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... close resumed>) = 0 [pid 6356] munmap(0x7f41a5370000, 138412032 [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6362] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6361] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6358] <... mmap resumed>) = 0x7f41a5370000 [pid 6357] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... munmap resumed>) = 0 [pid 6362] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] <... futex resumed>) = 0 [pid 6358] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6357] <... futex resumed>) = 1 [pid 6356] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6354] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6361] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6360] <... futex resumed>) = 0 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6354] exit_group(0 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6360] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = ? [pid 6356] close(5 [pid 6362] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... write resumed>) = 262144 [pid 6357] +++ exited with 0 +++ [pid 6356] <... close resumed>) = 0 [pid 6354] <... exit_group resumed>) = ? [pid 6361] <... futex resumed>) = 1 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] <... futex resumed>) = 0 [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = 1 [pid 6361] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] munmap(0x7f41a5370000, 138412032) = 0 [pid 6356] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6356] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] <... futex resumed>) = 0 [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6358] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6353] exit_group(0 [pid 6358] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = ? [pid 6354] +++ exited with 0 +++ [pid 6353] <... exit_group resumed>) = ? [pid 6362] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6358] close(5 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6354, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6362] mkdirat(AT_FDCWD, NULL, 0777 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6362] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... close resumed>) = 0 [pid 6356] +++ exited with 0 +++ [pid 6353] +++ exited with 0 +++ [pid 6362] <... futex resumed>) = 1 [pid 6361] mkdirat(AT_FDCWD, NULL, 0777 [pid 6360] <... futex resumed>) = 0 [pid 6358] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6362] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6361] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6358] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] <... openat resumed>) = 4 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... futex resumed>) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = 1 [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... futex resumed>) = 0 [pid 6355] exit_group(0 [pid 6362] <... futex resumed>) = 0 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... restart_syscall resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = 0 [pid 6358] <... futex resumed>) = ? [pid 6355] <... exit_group resumed>) = ? [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 0 [pid 6361] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] +++ exited with 0 +++ [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6362] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] +++ exited with 0 +++ [pid 6362] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6361] <... openat resumed>) = 4 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6355, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6360] <... futex resumed>) = 0 [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 0 [pid 6362] openat(AT_FDCWD, NULL, O_RDWR [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6362] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = 1 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = 0 [pid 6362] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] <... futex resumed>) = 0 [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6363 attached [pid 6362] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... futex resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6363] set_robust_list(0x5555683327a0, 24 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6362] <... futex resumed>) = 0 [pid 6361] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6363 [pid 6363] rt_sigprocmask(SIG_SETMASK, [] [pid 6362] sendfile(-1, -1, NULL, 553647746 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6361] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6362] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6364 attached [pid 6363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] openat(AT_FDCWD, NULL, O_RDWR [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6362] <... futex resumed>) = 0 [pid 6364] set_robust_list(0x5555683327a0, 24 [pid 6361] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6364 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] <... prctl resumed>) = 0 [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] setpgid(0, 0 [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6364] rt_sigprocmask(SIG_SETMASK, [] [pid 6363] <... setpgid resumed>) = 0 [pid 6362] memfd_create("syzkaller", 0 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6362] <... memfd_create resumed>) = 5 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6361] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6362] <... mmap resumed>) = 0x7f41a5370000 [pid 6361] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6363] <... openat resumed>) = 3 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6364] <... prctl resumed>) = 0 [pid 6363] write(3, "1000", 4 [pid 6361] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6364] setpgid(0, 0) = 0 [pid 6363] <... write resumed>) = 4 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6363] close(3 [pid 6362] <... write resumed>) = 262144 [pid 6361] sendfile(-1, -1, NULL, 553647746 [pid 6359] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6365 attached [pid 6364] <... openat resumed>) = 3 [pid 6363] <... close resumed>) = 0 [pid 6362] munmap(0x7f41a5370000, 138412032 [pid 6361] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] set_robust_list(0x5555683327a0, 24 [pid 6364] write(3, "1000", 4 executing program [pid 6363] write(1, "executing program\n", 18 [pid 6362] <... munmap resumed>) = 0 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6365 [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... write resumed>) = 4 [pid 6363] <... write resumed>) = 18 [pid 6362] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6361] <... futex resumed>) = 0 [pid 6365] rt_sigprocmask(SIG_SETMASK, [] [pid 6364] close(3 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6364] <... close resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6362] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6361] memfd_create("syzkaller", 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6364] write(1, "executing program\n", 18 [pid 6363] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6361] <... memfd_create resumed>) = 5 [pid 6362] close(5 [pid 6359] <... futex resumed>) = 0 executing program [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6365] <... prctl resumed>) = 0 [pid 6364] <... write resumed>) = 18 [pid 6363] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6359] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6365] setpgid(0, 0) = 0 [pid 6365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6365] <... openat resumed>) = 3 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... mmap resumed>) = 0x7f41a5370000 [pid 6363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6365] write(3, "1000", 4 [pid 6364] <... futex resumed>) = 0 [pid 6363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6362] <... close resumed>) = 0 [pid 6361] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6365] <... write resumed>) = 4 [pid 6364] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6365] close(3 [pid 6364] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6363] <... mmap resumed>) = 0x7f41ad770000 [pid 6362] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... close resumed>) = 0 executing program [pid 6365] write(1, "executing program\n", 18 [pid 6362] <... futex resumed>) = 1 [pid 6365] <... write resumed>) = 18 [pid 6364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6363] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6361] <... write resumed>) = 262144 [pid 6360] <... futex resumed>) = 0 [pid 6363] <... mprotect resumed>) = 0 [pid 6362] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] munmap(0x7f41a5370000, 138412032 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6363] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6361] <... munmap resumed>) = 0 [pid 6360] exit_group(0 [pid 6365] <... futex resumed>) = 0 [pid 6364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6363] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6362] <... futex resumed>) = ? [pid 6360] <... exit_group resumed>) = ? [pid 6365] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6364] <... mmap resumed>) = 0x7f41ad770000 [pid 6363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6361] openat(AT_FDCWD, "/dev/loop4", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6367 attached [pid 6365] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6364] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6362] +++ exited with 0 +++ [pid 6361] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6364] <... mprotect resumed>) = 0 [pid 6363] <... clone3 resumed> => {parent_tid=[6367]}, 88) = 6367 [pid 6361] close(5 [pid 6367] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6364] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6363] rt_sigprocmask(SIG_SETMASK, [] [pid 6367] <... rseq resumed>) = 0 [pid 6365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6364] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6361] <... close resumed>) = 0 [pid 6360] +++ exited with 0 +++ [pid 6367] set_robust_list(0x7f41ad7909a0, 24 [pid 6365] <... mmap resumed>) = 0x7f41ad770000 [pid 6364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6368 attached [pid 6367] <... set_robust_list resumed>) = 0 [pid 6365] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6363] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6360, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6368] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6367] rt_sigprocmask(SIG_SETMASK, [] [pid 6365] <... mprotect resumed>) = 0 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6359] exit_group(0 [pid 6368] <... rseq resumed>) = 0 [pid 6367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6364] <... clone3 resumed> => {parent_tid=[6368]}, 88) = 6368 [pid 6361] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6365] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6368] set_robust_list(0x7f41ad7909a0, 24 [pid 6359] <... exit_group resumed>) = ? [pid 6368] <... set_robust_list resumed>) = 0 [pid 6361] +++ exited with 0 +++ [pid 6368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] memfd_create("syzkaller", 0 [pid 6364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = 1 [pid 6368] memfd_create("syzkaller", 0 [pid 6367] <... memfd_create resumed>) = 3 [pid 6365] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6368] <... memfd_create resumed>) = 3 [pid 6367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6359] +++ exited with 0 +++ [pid 5605] <... restart_syscall resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6369 attached [pid 6368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6367] <... mmap resumed>) = 0x7f41a5370000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6359, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6368] <... mmap resumed>) = 0x7f41a5370000 [pid 6369] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 6368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6365] <... clone3 resumed> => {parent_tid=[6369]}, 88) = 6369 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6369] set_robust_list(0x7f41ad7909a0, 24 [pid 6365] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6369] <... set_robust_list resumed>) = 0 [pid 6365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6369] rt_sigprocmask(SIG_SETMASK, [] [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6369] memfd_create("syzkaller", 0 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6369] <... memfd_create resumed>) = 3 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6370 attached [pid 6369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6370] set_robust_list(0x5555683327a0, 24 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6370 ci2-upstream-fs/strace-static-x86_64: Process 6371 attached [pid 6370] <... set_robust_list resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6370] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6371] set_robust_list(0x5555683327a0, 24 [pid 6370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6371 [pid 6371] <... set_robust_list resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6371] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6370] setpgid(0, 0) = 0 [pid 6371] setpgid(0, 0) = 0 [pid 6370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6370] <... openat resumed>) = 3 [pid 6369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6367] <... write resumed>) = 1048576 [pid 6370] write(3, "1000", 4 [pid 6371] write(3, "1000", 4 [pid 6367] munmap(0x7f41a5370000, 138412032 [pid 6371] <... write resumed>) = 4 [pid 6370] <... write resumed>) = 4 [pid 6371] close(3) = 0 [pid 6370] close(3 [pid 6367] <... munmap resumed>) = 0 [pid 6371] write(1, "executing program\n", 18 [pid 6370] <... close resumed>) = 0 executing program [pid 6368] <... write resumed>) = 1048576 [pid 6371] <... write resumed>) = 18 [pid 6370] write(1, "executing program\n", 18 [pid 6368] munmap(0x7f41a5370000, 138412032 executing program [pid 6367] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... write resumed>) = 18 [pid 6368] <... munmap resumed>) = 0 [pid 6367] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6371] <... futex resumed>) = 0 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6367] close(3 [pid 6371] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6368] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6368] close(3 [pid 6371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6370] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6369] <... write resumed>) = 1048576 [pid 6368] <... close resumed>) = 0 [pid 6367] <... close resumed>) = 0 [pid 6371] <... mmap resumed>) = 0x7f41ad770000 [pid 6370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6369] munmap(0x7f41a5370000, 138412032 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6370] <... mmap resumed>) = 0x7f41ad770000 [pid 6369] <... munmap resumed>) = 0 [pid 6368] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 1 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6371] <... mprotect resumed>) = 0 [pid 6370] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6369] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6370] <... mprotect resumed>) = 0 [pid 6369] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6371] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6370] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6369] close(3 [pid 6370] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6368] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6367] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6367] <... openat resumed>) = -1 EISDIR (Is a directory) ci2-upstream-fs/strace-static-x86_64: Process 6373 attached ci2-upstream-fs/strace-static-x86_64: Process 6372 attached [pid 6368] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6372] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6371] <... clone3 resumed> => {parent_tid=[6373]}, 88) = 6373 [pid 6370] <... clone3 resumed> => {parent_tid=[6372]}, 88) = 6372 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... futex resumed>) = 0 [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... rseq resumed>) = 0 [pid 6372] <... rseq resumed>) = 0 [pid 6370] rt_sigprocmask(SIG_SETMASK, [] [pid 6368] <... futex resumed>) = 1 [pid 6367] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6373] set_robust_list(0x7f41ad7909a0, 24 [pid 6372] set_robust_list(0x7f41ad7909a0, 24 [pid 6371] rt_sigprocmask(SIG_SETMASK, [] [pid 6370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6368] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6367] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... set_robust_list resumed>) = 0 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... close resumed>) = 0 [pid 6368] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] rt_sigprocmask(SIG_SETMASK, [] [pid 6372] rt_sigprocmask(SIG_SETMASK, [] [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = 0 [pid 6367] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6372] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 0 [pid 6373] memfd_create("syzkaller", 0 [pid 6372] memfd_create("syzkaller", 0 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6369] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 6367] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... memfd_create resumed>) = 3 [pid 6372] <... memfd_create resumed>) = 3 [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... mmap resumed>) = 0x7f41a5370000 [pid 6372] <... mmap resumed>) = 0x7f41a5370000 [pid 6369] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 0 [pid 6369] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6368] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6364] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 1 [pid 6368] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6372] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... futex resumed>) = 1 [pid 6365] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6367] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 0 [pid 6369] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6367] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6365] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... futex resumed>) = 0 [pid 6367] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6372] <... write resumed>) = 1048576 [pid 6369] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6367] <... futex resumed>) = 1 [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] <... futex resumed>) = 0 [pid 6372] munmap(0x7f41a5370000, 138412032 [pid 6369] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6367] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... write resumed>) = 1048576 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 0 [pid 6373] munmap(0x7f41a5370000, 138412032 [pid 6372] <... munmap resumed>) = 0 [pid 6369] <... futex resumed>) = 0 [pid 6368] <... futex resumed>) = 1 [pid 6367] mkdirat(AT_FDCWD, NULL, 0777 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6373] <... munmap resumed>) = 0 [pid 6372] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6369] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6369] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6372] close(3 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] mkdirat(AT_FDCWD, NULL, 0777 [pid 6367] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6369] <... futex resumed>) = 0 [pid 6368] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = 0 [pid 6373] close(3 [pid 6369] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6365] <... futex resumed>) = 0 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6367] <... openat resumed>) = 4 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6368] <... futex resumed>) = 1 [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] <... futex resumed>) = 1 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = 0 [pid 6369] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] <... futex resumed>) = 0 [pid 6368] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... close resumed>) = 0 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... openat resumed>) = 4 [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 0 [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = 1 [pid 6367] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6365] <... futex resumed>) = 0 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6369] mkdirat(AT_FDCWD, NULL, 0777 [pid 6367] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6368] <... futex resumed>) = 1 [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = 0 [pid 6373] <... close resumed>) = 0 [pid 6372] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6370] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = 0 [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... futex resumed>) = 0 [pid 6367] <... futex resumed>) = 1 [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] openat(AT_FDCWD, NULL, O_RDWR [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] <... futex resumed>) = 0 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... openat resumed>) = 4 [pid 6368] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6367] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6371] <... futex resumed>) = 0 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... futex resumed>) = 0 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6372] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... futex resumed>) = 1 [pid 6367] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6373] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6369] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 0 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... futex resumed>) = 1 [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] <... futex resumed>) = 0 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6368] openat(AT_FDCWD, NULL, O_RDWR [pid 6367] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6367] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 1 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = 0 [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6372] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6373] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6372] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] openat(AT_FDCWD, NULL, O_RDWR [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] sendfile(-1, -1, NULL, 553647746 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 0 [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 1 [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6368] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6367] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 1 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = 0 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 1 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6372] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6368] sendfile(-1, -1, NULL, 553647746 [pid 6367] memfd_create("syzkaller", 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6373] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6372] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6373] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... futex resumed>) = 1 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... memfd_create resumed>) = 5 [pid 6365] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6372] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6371] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... futex resumed>) = 1 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... futex resumed>) = 1 [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] sendfile(-1, -1, NULL, 553647746 [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... mmap resumed>) = 0x7f41a5370000 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 0 [pid 6373] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] memfd_create("syzkaller", 0 [pid 6364] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = 0 [pid 6372] mkdirat(AT_FDCWD, NULL, 0777 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6367] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6372] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6369] <... futex resumed>) = 1 [pid 6368] <... memfd_create resumed>) = 5 [pid 6365] <... futex resumed>) = 0 [pid 6373] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6365] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... mmap resumed>) = 0x7f41a5370000 [pid 6365] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] memfd_create("syzkaller", 0 [pid 6365] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... futex resumed>) = 0 [pid 6369] <... memfd_create resumed>) = 5 [pid 6368] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6367] <... write resumed>) = 262144 [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6371] <... futex resumed>) = 0 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6367] munmap(0x7f41a5370000, 138412032 [pid 6373] mkdirat(AT_FDCWD, NULL, 0777 [pid 6372] <... openat resumed>) = 4 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... mmap resumed>) = 0x7f41a5370000 [pid 6368] <... write resumed>) = 262144 [pid 6367] <... munmap resumed>) = 0 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6367] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 1 [pid 6372] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6368] munmap(0x7f41a5370000, 138412032 [pid 6367] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... futex resumed>) = 1 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... futex resumed>) = 0 [pid 6367] close(5 [pid 6373] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... write resumed>) = 262144 [pid 6368] <... munmap resumed>) = 0 [pid 6373] <... openat resumed>) = 4 [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] openat(AT_FDCWD, NULL, O_RDWR) = -1 EFAULT (Bad address) [pid 6373] <... futex resumed>) = 1 [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... futex resumed>) = 0 [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] munmap(0x7f41a5370000, 138412032 [pid 6368] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6373] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... munmap resumed>) = 0 [pid 6368] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6367] <... close resumed>) = 0 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6368] close(5 [pid 6367] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] openat(AT_FDCWD, NULL, O_RDWR [pid 6372] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 1 [pid 6369] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6372] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] close(5 [pid 6367] <... futex resumed>) = 1 [pid 6363] <... futex resumed>) = 0 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... close resumed>) = 0 [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6367] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] exit_group(0 [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... futex resumed>) = ? [pid 6363] <... exit_group resumed>) = ? [pid 6370] <... futex resumed>) = 0 [pid 6373] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6372] sendfile(-1, -1, NULL, 553647746 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... close resumed>) = 0 [pid 6368] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6372] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... futex resumed>) = 1 [pid 6364] <... futex resumed>) = 0 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = 1 [pid 6368] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] <... futex resumed>) = 0 [pid 6364] exit_group(0 [pid 6373] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6369] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... futex resumed>) = ? [pid 6365] exit_group(0 [pid 6364] <... exit_group resumed>) = ? [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = ? [pid 6368] +++ exited with 0 +++ [pid 6370] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... exit_group resumed>) = ? [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6367] +++ exited with 0 +++ [pid 6364] +++ exited with 0 +++ [pid 6363] +++ exited with 0 +++ [pid 6373] sendfile(-1, -1, NULL, 553647746 [pid 6372] memfd_create("syzkaller", 0 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6369] +++ exited with 0 +++ [pid 6365] +++ exited with 0 +++ [pid 6373] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... memfd_create resumed>) = 5 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6365, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6364, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6363, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6373] <... futex resumed>) = 1 [pid 6372] <... mmap resumed>) = 0x7f41a5370000 [pid 6371] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6371] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... write resumed>) = 262144 [pid 6371] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6373] memfd_create("syzkaller", 0 [pid 6372] munmap(0x7f41a5370000, 138412032 [pid 6371] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6373] <... memfd_create resumed>) = 5 [pid 6372] <... munmap resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6372] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6373] <... mmap resumed>) = 0x7f41a5370000 [pid 6372] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6372] close(5 [pid 6373] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6375 attached ci2-upstream-fs/strace-static-x86_64: Process 6374 attached [pid 6372] <... close resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6375] set_robust_list(0x5555683327a0, 24 [pid 6374] set_robust_list(0x5555683327a0, 24 [pid 6372] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... write resumed>) = 262144 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6375 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6374 [pid 6374] <... set_robust_list resumed>) = 0 [pid 6373] munmap(0x7f41a5370000, 138412032 [pid 6372] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6375] <... set_robust_list resumed>) = 0 [pid 6374] rt_sigprocmask(SIG_SETMASK, [] [pid 6373] <... munmap resumed>) = 0 [pid 6372] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] exit_group(0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6375] rt_sigprocmask(SIG_SETMASK, [] [pid 6374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6373] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6372] <... futex resumed>) = ? [pid 6370] <... exit_group resumed>) = ? [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6373] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6372] +++ exited with 0 +++ [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6376 attached [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6373] close(5 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6376 [pid 6375] <... prctl resumed>) = 0 [pid 6374] <... prctl resumed>) = 0 [pid 6376] set_robust_list(0x5555683327a0, 24 [pid 6375] setpgid(0, 0 [pid 6374] setpgid(0, 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6375] <... setpgid resumed>) = 0 [pid 6374] <... setpgid resumed>) = 0 [pid 6376] <... set_robust_list resumed>) = 0 [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6376] rt_sigprocmask(SIG_SETMASK, [] [pid 6375] <... openat resumed>) = 3 [pid 6370] +++ exited with 0 +++ [pid 6376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6375] write(3, "1000", 4 [pid 6374] <... openat resumed>) = 3 [pid 6373] <... close resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6370, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6375] <... write resumed>) = 4 [pid 6374] write(3, "1000", 4 [pid 6373] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... prctl resumed>) = 0 [pid 6375] close(3 [pid 6374] <... write resumed>) = 4 [pid 6376] setpgid(0, 0 [pid 6374] close(3 [pid 6376] <... setpgid resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6371] <... futex resumed>) = 0 [pid 6375] <... close resumed>) = 0 [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6374] <... close resumed>) = 0 [pid 6371] exit_group(0 [pid 6373] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6376] <... openat resumed>) = 3 [pid 6375] write(1, "executing program\n", 18 [pid 6374] write(1, "executing program\n", 18 [pid 6373] <... futex resumed>) = ? [pid 6371] <... exit_group resumed>) = ? [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6376] write(3, "1000", 4 [pid 6375] <... write resumed>) = 18 [pid 6374] <... write resumed>) = 18 [pid 6373] +++ exited with 0 +++ [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6376] <... write resumed>) = 4 executing program executing program [pid 6376] close(3) = 0 [pid 6376] write(1, "executing program\n", 18 [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] +++ exited with 0 +++ [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 6376] <... write resumed>) = 18 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6371, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6374] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}ci2-upstream-fs/strace-static-x86_64: Process 6377 attached [pid 6376] <... futex resumed>) = 0 [pid 6375] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6374] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6376] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6377] set_robust_list(0x5555683327a0, 24 [pid 6376] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6377 [pid 6377] <... set_robust_list resumed>) = 0 [pid 6376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6377] rt_sigprocmask(SIG_SETMASK, [] [pid 6376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6375] <... mmap resumed>) = 0x7f41ad770000 [pid 6374] <... mmap resumed>) = 0x7f41ad770000 [pid 6377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] <... mmap resumed>) = 0x7f41ad770000 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6376] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6375] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6374] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6377] <... prctl resumed>) = 0 [pid 6376] <... mprotect resumed>) = 0 [pid 6375] <... mprotect resumed>) = 0 [pid 6374] <... mprotect resumed>) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6377] setpgid(0, 0) = 0 [pid 6376] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6374] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-upstream-fs/strace-static-x86_64: Process 6378 attached [pid 6376] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6374] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6378] set_robust_list(0x5555683327a0, 24 [pid 6376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6375] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6378 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6377] <... openat resumed>) = 3 [pid 6375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6379 attached [pid 6378] rt_sigprocmask(SIG_SETMASK, [] [pid 6377] write(3, "1000", 4 [pid 5609] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6381 attached ci2-upstream-fs/strace-static-x86_64: Process 6380 attached [pid 6379] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6377] <... write resumed>) = 4 [pid 6380] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6379] <... rseq resumed>) = 0 [pid 6378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6376] <... clone3 resumed> => {parent_tid=[6379]}, 88) = 6379 [pid 6374] <... clone3 resumed> => {parent_tid=[6381]}, 88) = 6381 [pid 6381] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6380] <... rseq resumed>) = 0 [pid 6379] set_robust_list(0x7f41ad7909a0, 24 [pid 6378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6377] close(3 [pid 6376] rt_sigprocmask(SIG_SETMASK, [] [pid 6375] <... clone3 resumed> => {parent_tid=[6380]}, 88) = 6380 [pid 6374] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6381] <... rseq resumed>) = 0 [pid 6380] set_robust_list(0x7f41ad7909a0, 24 [pid 6379] <... set_robust_list resumed>) = 0 [pid 6378] <... prctl resumed>) = 0 [pid 6377] <... close resumed>) = 0 [pid 6376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6375] rt_sigprocmask(SIG_SETMASK, [] [pid 6374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6381] set_robust_list(0x7f41ad7909a0, 24 [pid 6380] <... set_robust_list resumed>) = 0 [pid 6379] rt_sigprocmask(SIG_SETMASK, [] [pid 6378] setpgid(0, 0 [pid 6377] write(1, "executing program\n", 18 [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... set_robust_list resumed>) = 0 executing program [pid 6380] rt_sigprocmask(SIG_SETMASK, [] [pid 6379] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6378] <... setpgid resumed>) = 0 [pid 6377] <... write resumed>) = 18 [pid 6376] <... futex resumed>) = 0 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = 0 [pid 6381] rt_sigprocmask(SIG_SETMASK, [] [pid 6380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6375] <... futex resumed>) = 0 [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6380] memfd_create("syzkaller", 0 [pid 6379] memfd_create("syzkaller", 0 [pid 6378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6377] <... futex resumed>) = 0 [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6381] memfd_create("syzkaller", 0 [pid 6380] <... memfd_create resumed>) = 3 [pid 6377] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6381] <... memfd_create resumed>) = 3 [pid 6380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6379] <... memfd_create resumed>) = 3 [pid 6377] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6380] <... mmap resumed>) = 0x7f41a5370000 [pid 6381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6378] <... openat resumed>) = 3 [pid 6379] <... mmap resumed>) = 0x7f41a5370000 [pid 6378] write(3, "1000", 4 [pid 6381] <... mmap resumed>) = 0x7f41a5370000 [pid 6377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6378] <... write resumed>) = 4 [pid 6377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6378] close(3 [pid 6377] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6378] <... close resumed>) = 0 [pid 6378] write(1, "executing program\n", 18 [pid 6377] <... mprotect resumed>) = 0 [pid 6378] <... write resumed>) = 18 executing program [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6378] <... futex resumed>) = 0 [pid 6378] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6378] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6377] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6378] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6382 attached [pid 6378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6382] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6378] <... mmap resumed>) = 0x7f41ad770000 [pid 6377] <... clone3 resumed> => {parent_tid=[6382]}, 88) = 6382 [pid 6382] <... rseq resumed>) = 0 [pid 6379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6378] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6377] rt_sigprocmask(SIG_SETMASK, [] [pid 6382] set_robust_list(0x7f41ad7909a0, 24 [pid 6378] <... mprotect resumed>) = 0 [pid 6377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6382] memfd_create("syzkaller", 0 [pid 6378] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6378] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6383 attached [pid 6382] <... memfd_create resumed>) = 3 [pid 6383] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6378] <... clone3 resumed> => {parent_tid=[6383]}, 88) = 6383 [pid 6383] <... rseq resumed>) = 0 [pid 6378] rt_sigprocmask(SIG_SETMASK, [] [pid 6383] set_robust_list(0x7f41ad7909a0, 24 [pid 6378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] rt_sigprocmask(SIG_SETMASK, [] [pid 6378] <... futex resumed>) = 0 [pid 6383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6383] memfd_create("syzkaller", 0 [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6383] <... memfd_create resumed>) = 3 [pid 6380] <... write resumed>) = 1048576 [pid 6381] <... write resumed>) = 1048576 [pid 6383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6382] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6381] munmap(0x7f41a5370000, 138412032 [pid 6380] munmap(0x7f41a5370000, 138412032) = 0 [pid 6381] <... munmap resumed>) = 0 [pid 6380] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6380] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6381] close(3 [pid 6380] close(3 [pid 6383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6379] <... write resumed>) = 1048576 [pid 6379] munmap(0x7f41a5370000, 138412032) = 0 [pid 6379] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6379] close(3 [pid 6383] <... write resumed>) = 1048576 [pid 6382] <... write resumed>) = 1048576 [pid 6381] <... close resumed>) = 0 [pid 6380] <... close resumed>) = 0 [pid 6379] <... close resumed>) = 0 [pid 6383] munmap(0x7f41a5370000, 138412032 [pid 6382] munmap(0x7f41a5370000, 138412032 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... munmap resumed>) = 0 [pid 6381] <... futex resumed>) = 1 [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] <... munmap resumed>) = 0 [pid 6383] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6382] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6381] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6382] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] close(3 [pid 6382] close(3 [pid 6381] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6380] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6379] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6379] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = 0 [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6376] <... futex resumed>) = 0 [pid 6381] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6380] <... futex resumed>) = 1 [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... futex resumed>) = 0 [pid 6382] <... close resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... close resumed>) = 0 [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6380] <... futex resumed>) = 0 [pid 6379] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6379] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6379] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6381] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6381] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6378] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6383] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 1 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6379] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6381] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6381] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6378] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6383] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 1 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6379] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6381] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] <... futex resumed>) = 0 [pid 6383] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6383] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... futex resumed>) = 1 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] <... futex resumed>) = 1 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6379] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] mkdirat(AT_FDCWD, NULL, 0777 [pid 6380] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6378] <... futex resumed>) = 0 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6374] <... futex resumed>) = 0 [pid 6383] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6381] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... openat resumed>) = 4 [pid 6380] mkdirat(AT_FDCWD, NULL, 0777 [pid 6379] mkdirat(AT_FDCWD, NULL, 0777 [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6379] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] mkdirat(AT_FDCWD, NULL, 0777 [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6381] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] mkdirat(AT_FDCWD, NULL, 0777 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6381] <... futex resumed>) = 0 [pid 6380] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6379] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... openat resumed>) = 4 [pid 6381] openat(AT_FDCWD, NULL, O_RDWR [pid 6380] <... openat resumed>) = 4 [pid 6379] <... openat resumed>) = 4 [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] <... futex resumed>) = 0 [pid 6383] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... openat resumed>) = 4 [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6381] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6380] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6379] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6379] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] openat(AT_FDCWD, NULL, O_RDWR [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6381] sendfile(-1, -1, NULL, 553647746 [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 1 [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6383] openat(AT_FDCWD, NULL, O_RDWR [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] <... futex resumed>) = 0 [pid 6382] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6381] <... futex resumed>) = 0 [pid 6380] openat(AT_FDCWD, NULL, O_RDWR [pid 6379] openat(AT_FDCWD, NULL, O_RDWR [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6382] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6381] memfd_create("syzkaller", 0 [pid 6380] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6379] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6378] <... futex resumed>) = 0 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] <... futex resumed>) = 0 [pid 6383] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... memfd_create resumed>) = 5 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... futex resumed>) = 0 [pid 6381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6380] <... futex resumed>) = 1 [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6379] <... futex resumed>) = 1 [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6382] sendfile(-1, -1, NULL, 553647746 [pid 6381] <... mmap resumed>) = 0x7f41a5370000 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] sendfile(-1, -1, NULL, 553647746 [pid 6382] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6378] <... futex resumed>) = 0 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6380] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6379] <... futex resumed>) = 0 [pid 6377] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] memfd_create("syzkaller", 0 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... futex resumed>) = 1 [pid 6382] <... memfd_create resumed>) = 5 [pid 6380] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6377] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6381] <... write resumed>) = 262144 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... mmap resumed>) = 0x7f41a5370000 [pid 6381] munmap(0x7f41a5370000, 138412032 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 1 [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] memfd_create("syzkaller", 0 [pid 6382] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6381] <... munmap resumed>) = 0 [pid 6380] <... futex resumed>) = 0 [pid 6379] sendfile(-1, -1, NULL, 553647746 [pid 6378] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] <... futex resumed>) = 1 [pid 6383] <... memfd_create resumed>) = 5 [pid 6380] sendfile(-1, -1, NULL, 553647746 [pid 6379] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6376] <... futex resumed>) = 0 [pid 6383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6380] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6379] memfd_create("syzkaller", 0 [pid 6376] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... mmap resumed>) = 0x7f41a5370000 [pid 6381] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 0 [pid 6383] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6379] <... memfd_create resumed>) = 5 [pid 6376] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6381] close(5 [pid 6380] <... futex resumed>) = 1 [pid 6379] <... mmap resumed>) = 0x7f41a5370000 [pid 6375] <... futex resumed>) = 0 [pid 6382] <... write resumed>) = 262144 [pid 6381] <... close resumed>) = 0 [pid 6380] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] <... futex resumed>) = 0 [pid 6375] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6380] memfd_create("syzkaller", 0 [pid 6379] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6383] <... write resumed>) = 262144 [pid 6382] munmap(0x7f41a5370000, 138412032 [pid 6381] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... memfd_create resumed>) = 5 [pid 6381] <... futex resumed>) = 1 [pid 6380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6374] <... futex resumed>) = 0 [pid 6382] <... munmap resumed>) = 0 [pid 6380] <... mmap resumed>) = 0x7f41a5370000 [pid 6374] exit_group(0 [pid 6381] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] munmap(0x7f41a5370000, 138412032 [pid 6381] <... futex resumed>) = ? [pid 6374] <... exit_group resumed>) = ? [pid 6383] <... munmap resumed>) = 0 [pid 6382] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6381] +++ exited with 0 +++ [pid 6379] <... write resumed>) = 262144 [pid 6382] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6379] munmap(0x7f41a5370000, 138412032 [pid 6382] close(5 [pid 6380] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6379] <... munmap resumed>) = 0 [pid 6383] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6383] close(5 [pid 6382] <... close resumed>) = 0 [pid 6379] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6374] +++ exited with 0 +++ [pid 6380] <... write resumed>) = 262144 [pid 6383] <... close resumed>) = 0 [pid 6382] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6374, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6380] munmap(0x7f41a5370000, 138412032 [pid 6379] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6382] <... futex resumed>) = 1 [pid 6379] close(5 [pid 6377] <... futex resumed>) = 0 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6383] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6382] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] <... munmap resumed>) = 0 [pid 6377] exit_group(0 [pid 6383] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] <... futex resumed>) = ? [pid 6378] <... futex resumed>) = 0 [pid 6377] <... exit_group resumed>) = ? [pid 6382] +++ exited with 0 +++ [pid 6380] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6378] exit_group(0 [pid 6380] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6378] <... exit_group resumed>) = ? [pid 6383] <... futex resumed>) = ? [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6380] close(5 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6377] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6377, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6379] <... close resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6383] +++ exited with 0 +++ [pid 6380] <... close resumed>) = 0 [pid 6379] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] +++ exited with 0 +++ [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6380] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = 1 [pid 6376] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6378, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5605] <... restart_syscall resumed>) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6380] <... futex resumed>) = 1 [pid 6379] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... futex resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6375] exit_group(0) = ? [pid 5609] <... restart_syscall resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6376] exit_group(0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6384 attached [pid 6380] +++ exited with 0 +++ [pid 6379] <... futex resumed>) = ? [pid 6376] <... exit_group resumed>) = ? [pid 6375] +++ exited with 0 +++ [pid 6384] set_robust_list(0x5555683327a0, 24 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6379] +++ exited with 0 +++ [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6375, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6384 [pid 6384] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... restart_syscall resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6385 attached [pid 6384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6385] set_robust_list(0x5555683327a0, 24 [pid 6384] setpgid(0, 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6385 [pid 6385] <... set_robust_list resumed>) = 0 [pid 6384] <... setpgid resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6385] rt_sigprocmask(SIG_SETMASK, [] [pid 6384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6384] <... openat resumed>) = 3 [pid 6376] +++ exited with 0 +++ [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6376, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6385] <... prctl resumed>) = 0 [pid 6384] write(3, "1000", 4 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6385] setpgid(0, 0 [pid 6384] <... write resumed>) = 4 [pid 6385] <... setpgid resumed>) = 0 [pid 6384] close(3 [pid 6385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6384] <... close resumed>) = 0 [pid 6384] write(1, "executing program\n", 18 [pid 6385] <... openat resumed>) = 3 [pid 6384] <... write resumed>) = 18 executing program [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6387 attached ci2-upstream-fs/strace-static-x86_64: Process 6386 attached [pid 6385] write(3, "1000", 4 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6387] set_robust_list(0x5555683327a0, 24 [pid 6386] set_robust_list(0x5555683327a0, 24 [pid 6385] <... write resumed>) = 4 [pid 6384] <... futex resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6386 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6385] close(3 [pid 6384] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6387] rt_sigprocmask(SIG_SETMASK, [] [pid 6386] <... set_robust_list resumed>) = 0 [pid 6385] <... close resumed>) = 0 [pid 6384] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6387 [pid 6387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6386] rt_sigprocmask(SIG_SETMASK, [] [pid 6385] write(1, "executing program\n", 18 executing program [pid 6384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6385] <... write resumed>) = 18 [pid 6384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6387] <... prctl resumed>) = 0 [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] setpgid(0, 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6387] <... setpgid resumed>) = 0 [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6385] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6384] <... mmap resumed>) = 0x7f41ad770000 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6386] <... prctl resumed>) = 0 [pid 6385] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6386] setpgid(0, 0 [pid 6387] <... openat resumed>) = 3 [pid 6386] <... setpgid resumed>) = 0 [pid 6385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6384] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6387] write(3, "1000", 4 [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6384] <... mprotect resumed>) = 0 [pid 6387] <... write resumed>) = 4 [pid 6385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6384] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6387] close(3 [pid 6385] <... mmap resumed>) = 0x7f41ad770000 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6387] <... close resumed>) = 0 [pid 6385] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6384] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6387] write(1, "executing program\n", 18 [pid 6385] <... mprotect resumed>) = 0 [pid 6384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6387] <... write resumed>) = 18 executing program ci2-upstream-fs/strace-static-x86_64: Process 6388 attached [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... openat resumed>) = 3 [pid 6385] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6387] <... futex resumed>) = 0 [pid 6385] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6387] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6384] <... clone3 resumed> => {parent_tid=[6388]}, 88) = 6388 ci2-upstream-fs/strace-static-x86_64: Process 6389 attached [pid 6387] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6386] write(3, "1000", 4 [pid 6384] rt_sigprocmask(SIG_SETMASK, [] [pid 6389] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6385] <... clone3 resumed> => {parent_tid=[6389]}, 88) = 6389 [pid 6386] <... write resumed>) = 4 [pid 6384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6389] <... rseq resumed>) = 0 [pid 6388] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6386] close(3 [pid 6385] rt_sigprocmask(SIG_SETMASK, [] [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6390 attached [pid 6389] set_robust_list(0x7f41ad7909a0, 24 [pid 6388] <... rseq resumed>) = 0 [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6386] <... close resumed>) = 0 [pid 6385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6388] set_robust_list(0x7f41ad7909a0, 24 executing program [pid 6386] write(1, "executing program\n", 18 [pid 6388] <... set_robust_list resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6390 [pid 6390] set_robust_list(0x5555683327a0, 24 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6388] rt_sigprocmask(SIG_SETMASK, [] [pid 6387] <... mmap resumed>) = 0x7f41ad770000 [pid 6386] <... write resumed>) = 18 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6390] <... set_robust_list resumed>) = 0 [pid 6389] rt_sigprocmask(SIG_SETMASK, [] [pid 6388] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6387] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6390] rt_sigprocmask(SIG_SETMASK, [] [pid 6389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6388] memfd_create("syzkaller", 0 [pid 6387] <... mprotect resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6389] memfd_create("syzkaller", 0 [pid 6388] <... memfd_create resumed>) = 3 [pid 6387] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6386] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6389] <... memfd_create resumed>) = 3 [pid 6388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6387] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6386] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6390] <... prctl resumed>) = 0 [pid 6389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6388] <... mmap resumed>) = 0x7f41a5370000 [pid 6387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6390] setpgid(0, 0 [pid 6389] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6391 attached [pid 6390] <... setpgid resumed>) = 0 [pid 6386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6386] <... mmap resumed>) = 0x7f41ad770000 [pid 6390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6387] <... clone3 resumed> => {parent_tid=[6391]}, 88) = 6391 [pid 6391] <... rseq resumed>) = 0 [pid 6387] rt_sigprocmask(SIG_SETMASK, [] [pid 6386] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6390] <... openat resumed>) = 3 [pid 6387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6391] set_robust_list(0x7f41ad7909a0, 24 [pid 6390] write(3, "1000", 4 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... mprotect resumed>) = 0 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6391] rt_sigprocmask(SIG_SETMASK, [] [pid 6390] <... write resumed>) = 4 [pid 6387] <... futex resumed>) = 0 [pid 6386] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6390] close(3) = 0 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6391] memfd_create("syzkaller", 0 [pid 6390] write(1, "executing program\n", 18 [pid 6386] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6390] <... write resumed>) = 18 executing program [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6392 attached [pid 6391] <... memfd_create resumed>) = 3 [pid 6390] <... futex resumed>) = 0 [pid 6389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6386] <... clone3 resumed> => {parent_tid=[6392]}, 88) = 6392 [pid 6392] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6390] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6390] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6392] <... rseq resumed>) = 0 [pid 6391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6386] rt_sigprocmask(SIG_SETMASK, [] [pid 6391] <... mmap resumed>) = 0x7f41a5370000 [pid 6386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6392] set_robust_list(0x7f41ad7909a0, 24 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6392] rt_sigprocmask(SIG_SETMASK, [] [pid 6390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6390] <... mmap resumed>) = 0x7f41ad770000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6392] memfd_create("syzkaller", 0 [pid 6390] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6392] <... memfd_create resumed>) = 3 [pid 6390] <... mprotect resumed>) = 0 [pid 6392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6390] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6392] <... mmap resumed>) = 0x7f41a5370000 [pid 6390] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576ci2-upstream-fs/strace-static-x86_64: Process 6393 attached [pid 6393] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6390] <... clone3 resumed> => {parent_tid=[6393]}, 88) = 6393 [pid 6393] <... rseq resumed>) = 0 [pid 6390] rt_sigprocmask(SIG_SETMASK, [] [pid 6393] set_robust_list(0x7f41ad7909a0, 24 [pid 6390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6393] <... set_robust_list resumed>) = 0 [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] rt_sigprocmask(SIG_SETMASK, [] [pid 6390] <... futex resumed>) = 0 [pid 6393] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6393] memfd_create("syzkaller", 0 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6393] <... memfd_create resumed>) = 3 [pid 6392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6389] <... write resumed>) = 1048576 [pid 6388] <... write resumed>) = 1048576 [pid 6393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6392] <... write resumed>) = 1048576 [pid 6391] <... write resumed>) = 1048576 [pid 6389] munmap(0x7f41a5370000, 138412032 [pid 6388] munmap(0x7f41a5370000, 138412032 [pid 6391] munmap(0x7f41a5370000, 138412032 [pid 6392] munmap(0x7f41a5370000, 138412032 [pid 6389] <... munmap resumed>) = 0 [pid 6388] <... munmap resumed>) = 0 [pid 6392] <... munmap resumed>) = 0 [pid 6391] <... munmap resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6388] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6392] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6393] <... write resumed>) = 1048576 [pid 6391] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6389] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6388] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6393] munmap(0x7f41a5370000, 138412032 [pid 6392] close(3 [pid 6391] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6393] <... munmap resumed>) = 0 [pid 6389] close(3 [pid 6388] close(3 [pid 6391] close(3 [pid 6393] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6393] close(3 [pid 6392] <... close resumed>) = 0 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6386] <... futex resumed>) = 0 [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = 0 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6393] <... close resumed>) = 0 [pid 6392] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6390] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = 1 [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6390] <... futex resumed>) = 0 [pid 6393] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... close resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 0 [pid 6392] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6384] <... futex resumed>) = 0 [pid 6393] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = 0 [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6392] <... futex resumed>) = 1 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... close resumed>) = 0 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... close resumed>) = 0 [pid 6388] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6386] <... futex resumed>) = 0 [pid 6393] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6392] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = 0 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... futex resumed>) = 1 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6391] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6393] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6390] <... futex resumed>) = 0 [pid 6389] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6388] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... futex resumed>) = 0 [pid 6393] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6391] <... futex resumed>) = 0 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] <... futex resumed>) = 0 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6388] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6390] <... futex resumed>) = 0 [pid 6389] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 1 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... futex resumed>) = 0 [pid 6393] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = 0 [pid 6388] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6389] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6388] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... futex resumed>) = 0 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 0 [pid 6391] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... futex resumed>) = 0 [pid 6389] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = 1 [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = 0 [pid 6391] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] mkdirat(AT_FDCWD, NULL, 0777 [pid 6390] <... futex resumed>) = 0 [pid 6389] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6392] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6391] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6392] mkdirat(AT_FDCWD, NULL, 0777 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = 0 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... openat resumed>) = 4 [pid 6392] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6391] <... futex resumed>) = 1 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6389] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6388] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 0 [pid 6390] <... futex resumed>) = 0 [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = 0 [pid 6393] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6390] <... futex resumed>) = 0 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6389] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 0 [pid 6392] <... openat resumed>) = 4 [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] openat(AT_FDCWD, NULL, O_RDWR [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6390] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 1 [pid 6386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6392] <... futex resumed>) = 0 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6391] <... futex resumed>) = 1 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6391] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] mkdirat(AT_FDCWD, NULL, 0777 [pid 6388] mkdirat(AT_FDCWD, NULL, 0777 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] <... futex resumed>) = 0 [pid 6389] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6388] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6392] <... futex resumed>) = 0 [pid 6391] mkdirat(AT_FDCWD, NULL, 0777 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] openat(AT_FDCWD, NULL, O_RDWR [pid 6391] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 1 [pid 6386] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] sendfile(-1, -1, NULL, 553647746 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 1 [pid 6390] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... futex resumed>) = 0 [pid 6391] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6388] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6391] <... openat resumed>) = 4 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] <... openat resumed>) = 4 [pid 6388] <... openat resumed>) = 4 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6390] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] memfd_create("syzkaller", 0 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6390] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6393] <... memfd_create resumed>) = 5 [pid 6392] <... futex resumed>) = 0 [pid 6390] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6389] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6392] sendfile(-1, -1, NULL, 553647746 [pid 6391] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... futex resumed>) = 0 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... mmap resumed>) = 0x7f41a5370000 [pid 6392] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6389] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6392] <... futex resumed>) = 0 [pid 6391] openat(AT_FDCWD, NULL, O_RDWR [pid 6389] <... futex resumed>) = 0 [pid 6388] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6389] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] <... futex resumed>) = 1 [pid 6386] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = 0 [pid 6393] <... write resumed>) = 262144 [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... futex resumed>) = 0 [pid 6389] openat(AT_FDCWD, NULL, O_RDWR [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] munmap(0x7f41a5370000, 138412032 [pid 6392] memfd_create("syzkaller", 0 [pid 6391] <... futex resumed>) = 0 [pid 6389] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... futex resumed>) = 0 [pid 6393] <... munmap resumed>) = 0 [pid 6392] <... memfd_create resumed>) = 5 [pid 6391] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] openat(AT_FDCWD, NULL, O_RDWR [pid 6387] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6391] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6389] <... futex resumed>) = 0 [pid 6388] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6392] <... mmap resumed>) = 0x7f41a5370000 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] sendfile(-1, -1, NULL, 553647746 [pid 6387] <... futex resumed>) = 0 [pid 6391] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(5 [pid 6392] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6388] <... futex resumed>) = 1 [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6387] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... close resumed>) = 0 [pid 6391] memfd_create("syzkaller", 0 [pid 6389] <... futex resumed>) = 1 [pid 6388] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6385] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6391] <... memfd_create resumed>) = 5 [pid 6389] sendfile(-1, -1, NULL, 553647746 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6389] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 1 [pid 6392] <... write resumed>) = 262144 [pid 6391] <... mmap resumed>) = 0x7f41a5370000 [pid 6390] <... futex resumed>) = 0 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] munmap(0x7f41a5370000, 138412032 [pid 6390] exit_group(0 [pid 6389] memfd_create("syzkaller", 0 [pid 6388] <... futex resumed>) = 0 [pid 6385] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = ? [pid 6392] <... munmap resumed>) = 0 [pid 6391] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6390] <... exit_group resumed>) = ? [pid 6389] <... memfd_create resumed>) = 5 [pid 6388] sendfile(-1, -1, NULL, 553647746 [pid 6385] <... futex resumed>) = 0 [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] +++ exited with 0 +++ [pid 6392] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6388] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6385] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6392] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6389] <... mmap resumed>) = 0x7f41a5370000 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(5 [pid 6388] <... futex resumed>) = 0 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] memfd_create("syzkaller", 0 [pid 6384] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] +++ exited with 0 +++ [pid 6388] <... memfd_create resumed>) = 5 [pid 6384] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = 0 [pid 6391] <... write resumed>) = 262144 [pid 6389] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6384] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6390, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6391] munmap(0x7f41a5370000, 138412032 [pid 6388] <... mmap resumed>) = 0x7f41a5370000 [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6391] <... munmap resumed>) = 0 [pid 6391] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5603] <... restart_syscall resumed>) = 0 [pid 6392] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6386] <... futex resumed>) = 0 [pid 6392] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6389] <... write resumed>) = 262144 [pid 6388] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6386] exit_group(0) = ? [pid 6392] <... futex resumed>) = ? [pid 6391] close(5 [pid 6389] munmap(0x7f41a5370000, 138412032 [pid 6388] <... write resumed>) = 262144 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6389] <... munmap resumed>) = 0 [pid 6388] munmap(0x7f41a5370000, 138412032 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6388] <... munmap resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6389] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6388] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6391] <... close resumed>) = 0 [pid 6389] close(5 [pid 6388] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6394 attached [pid 6392] +++ exited with 0 +++ [pid 6391] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] close(5 [pid 6386] +++ exited with 0 +++ [pid 6394] set_robust_list(0x5555683327a0, 24 [pid 6391] <... futex resumed>) = 1 [pid 6388] <... close resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6386, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6391] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] <... set_robust_list resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6387] exit_group(0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6394 [pid 6389] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 1 [pid 6385] exit_group(0 [pid 6384] <... futex resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6394] rt_sigprocmask(SIG_SETMASK, [] [pid 6391] <... futex resumed>) = ? [pid 6388] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... exit_group resumed>) = ? [pid 6385] <... exit_group resumed>) = ? [pid 6384] exit_group(0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6389] +++ exited with 0 +++ [pid 5609] <... restart_syscall resumed>) = 0 [pid 6384] <... exit_group resumed>) = ? [pid 6394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6388] <... futex resumed>) = ? [pid 6394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6394] setpgid(0, 0) = 0 [pid 6385] +++ exited with 0 +++ [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6391] +++ exited with 0 +++ [pid 6388] +++ exited with 0 +++ [pid 6387] +++ exited with 0 +++ [pid 6384] +++ exited with 0 +++ [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6385, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6384, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6394] <... openat resumed>) = 3 [pid 6394] write(3, "1000", 4) = 4 ci2-upstream-fs/strace-static-x86_64: Process 6395 attached [pid 6394] close(3 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6395 [pid 5605] <... restart_syscall resumed>) = 0 [pid 5602] <... restart_syscall resumed>) = 0 [pid 6395] set_robust_list(0x5555683327a0, 24 [pid 6394] <... close resumed>) = 0 [pid 6395] <... set_robust_list resumed>) = 0 [pid 6394] write(1, "executing program\n", 18 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR executing program [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6395] rt_sigprocmask(SIG_SETMASK, [] [pid 6394] <... write resumed>) = 18 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6394] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6395] <... prctl resumed>) = 0 [pid 6394] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6395] setpgid(0, 0 [pid 6394] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6395] <... setpgid resumed>) = 0 [pid 6394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6394] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6396 attached [pid 6394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6394] <... mmap resumed>) = 0x7f41ad770000 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6396] set_robust_list(0x5555683327a0, 24 [pid 6394] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6396] <... set_robust_list resumed>) = 0 [pid 6396] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6396 [pid 6396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6395] <... openat resumed>) = 3 [pid 6394] <... mprotect resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6397 attached [pid 6396] <... prctl resumed>) = 0 [pid 6397] set_robust_list(0x5555683327a0, 24 [pid 6395] write(3, "1000", 4 [pid 6394] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6397 [pid 6396] setpgid(0, 0 [pid 6395] <... write resumed>) = 4 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6398 [pid 6397] <... set_robust_list resumed>) = 0 [pid 6395] close(3 [pid 6394] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5601] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6399 attached ci2-upstream-fs/strace-static-x86_64: Process 6398 attached [pid 6397] rt_sigprocmask(SIG_SETMASK, [] [pid 6396] <... setpgid resumed>) = 0 [pid 6395] <... close resumed>) = 0 [pid 6399] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6398] set_robust_list(0x5555683327a0, 24 [pid 6396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6399] <... rseq resumed>) = 0 [pid 6398] <... set_robust_list resumed>) = 0 [pid 6397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6396] <... openat resumed>) = 3 [pid 6395] write(1, "executing program\n", 18 [pid 6394] <... clone3 resumed> => {parent_tid=[6399]}, 88) = 6399 [pid 6399] set_robust_list(0x7f41ad7909a0, 24 [pid 6398] rt_sigprocmask(SIG_SETMASK, [] [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 6396] write(3, "1000", 4 [pid 6395] <... write resumed>) = 18 [pid 6394] rt_sigprocmask(SIG_SETMASK, [] [pid 6399] <... set_robust_list resumed>) = 0 [pid 6398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6397] <... prctl resumed>) = 0 [pid 6396] <... write resumed>) = 4 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [] [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6397] setpgid(0, 0 [pid 6396] close(3 [pid 6395] <... futex resumed>) = 0 [pid 6399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6398] <... prctl resumed>) = 0 [pid 6397] <... setpgid resumed>) = 0 [pid 6396] <... close resumed>) = 0 [pid 6395] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] memfd_create("syzkaller", 0 [pid 6398] setpgid(0, 0 [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6396] write(1, "executing program\n", 18 [pid 6395] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6394] <... futex resumed>) = 0 [pid 6399] <... memfd_create resumed>) = 3 [pid 6398] <... setpgid resumed>) = 0 executing program [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] <... openat resumed>) = 3 [pid 6396] <... write resumed>) = 18 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6398] <... openat resumed>) = 3 [pid 6397] write(3, "1000", 4 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... write resumed>) = 4 [pid 6395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6399] <... mmap resumed>) = 0x7f41a5370000 [pid 6397] close(3 [pid 6398] write(3, "1000", 4 [pid 6396] <... futex resumed>) = 0 [pid 6395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] <... write resumed>) = 4 [pid 6396] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6398] close(3 [pid 6396] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6398] <... close resumed>) = 0 [pid 6397] <... close resumed>) = 0 [pid 6396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6395] <... mmap resumed>) = 0x7f41ad770000 [pid 6398] write(1, "executing program\n", 18 [pid 6397] write(1, "executing program\n", 18 [pid 6396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6395] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6398] <... write resumed>) = 18 executing program executing program [pid 6397] <... write resumed>) = 18 [pid 6396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... mmap resumed>) = 0x7f41ad770000 [pid 6395] <... mprotect resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6396] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6398] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6396] <... mprotect resumed>) = 0 [pid 6398] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6396] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6396] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] <... futex resumed>) = 0 [pid 6398] <... mmap resumed>) = 0x7f41ad770000 [pid 6397] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6395] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6397] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6395] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6400 attached [pid 6398] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6396] <... clone3 resumed> => {parent_tid=[6400]}, 88) = 6400 ci2-upstream-fs/strace-static-x86_64: Process 6401 attached [pid 6400] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6398] <... mprotect resumed>) = 0 [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6396] rt_sigprocmask(SIG_SETMASK, [] [pid 6401] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6400] <... rseq resumed>) = 0 [pid 6398] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6397] <... mmap resumed>) = 0x7f41ad770000 [pid 6396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6395] <... clone3 resumed> => {parent_tid=[6401]}, 88) = 6401 [pid 6401] <... rseq resumed>) = 0 [pid 6400] set_robust_list(0x7f41ad7909a0, 24 [pid 6399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6398] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] rt_sigprocmask(SIG_SETMASK, [] [pid 6401] set_robust_list(0x7f41ad7909a0, 24 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6397] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6396] <... futex resumed>) = 0 [pid 6395] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6402 attached [pid 6401] <... set_robust_list resumed>) = 0 [pid 6400] rt_sigprocmask(SIG_SETMASK, [] [pid 6397] <... mprotect resumed>) = 0 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] rt_sigprocmask(SIG_SETMASK, [] [pid 6400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6398] <... clone3 resumed> => {parent_tid=[6402]}, 88) = 6402 [pid 6397] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6395] <... futex resumed>) = 0 [pid 6402] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6400] memfd_create("syzkaller", 0 [pid 6398] rt_sigprocmask(SIG_SETMASK, [] [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6402] <... rseq resumed>) = 0 [pid 6400] <... memfd_create resumed>) = 3 [pid 6398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6397] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6402] set_robust_list(0x7f41ad7909a0, 24 [pid 6401] memfd_create("syzkaller", 0 [pid 6400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6402] <... set_robust_list resumed>) = 0 [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6402] rt_sigprocmask(SIG_SETMASK, [] [pid 6400] <... mmap resumed>) = 0x7f41a5370000 ci2-upstream-fs/strace-static-x86_64: Process 6403 attached [pid 6402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6401] <... memfd_create resumed>) = 3 [pid 6399] <... write resumed>) = 1048576 [pid 6403] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6402] memfd_create("syzkaller", 0 [pid 6399] munmap(0x7f41a5370000, 138412032 [pid 6403] <... rseq resumed>) = 0 [pid 6401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6399] <... munmap resumed>) = 0 [pid 6403] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6399] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6403] rt_sigprocmask(SIG_SETMASK, [] [pid 6397] <... clone3 resumed> => {parent_tid=[6403]}, 88) = 6403 [pid 6403] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6402] <... memfd_create resumed>) = 3 [pid 6401] <... mmap resumed>) = 0x7f41a5370000 [pid 6400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6399] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6397] rt_sigprocmask(SIG_SETMASK, [] [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6399] close(3 [pid 6402] <... mmap resumed>) = 0x7f41a5370000 [pid 6397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6403] memfd_create("syzkaller", 0 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6403] <... memfd_create resumed>) = 3 [pid 6403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6400] <... write resumed>) = 1048576 [pid 6399] <... close resumed>) = 0 [pid 6400] munmap(0x7f41a5370000, 138412032 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... munmap resumed>) = 0 [pid 6399] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = 0 [pid 6400] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6399] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6394] <... futex resumed>) = 0 [pid 6399] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] close(3 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6399] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6394] <... futex resumed>) = 0 [pid 6399] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... futex resumed>) = 0 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] <... futex resumed>) = 0 [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6394] <... futex resumed>) = 0 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... write resumed>) = 1048576 [pid 6401] munmap(0x7f41a5370000, 138412032 [pid 6400] <... close resumed>) = 0 [pid 6401] <... munmap resumed>) = 0 [pid 6401] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6400] <... futex resumed>) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6403] <... write resumed>) = 1048576 [pid 6402] <... write resumed>) = 1048576 [pid 6401] close(3 [pid 6400] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] munmap(0x7f41a5370000, 138412032 [pid 6396] <... futex resumed>) = 0 [pid 6403] <... munmap resumed>) = 0 [pid 6402] munmap(0x7f41a5370000, 138412032 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6402] <... munmap resumed>) = 0 [pid 6400] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6399] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = 0 [pid 6403] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... futex resumed>) = 0 [pid 6403] close(3 [pid 6402] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6400] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6399] mkdirat(AT_FDCWD, NULL, 0777 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6402] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6399] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6402] close(3 [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6400] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] <... futex resumed>) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 0 [pid 6400] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6394] <... futex resumed>) = 0 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6400] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6396] <... futex resumed>) = 0 [pid 6399] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... close resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... openat resumed>) = 4 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... close resumed>) = 0 [pid 6400] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6399] <... futex resumed>) = 1 [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... futex resumed>) = 0 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... close resumed>) = 0 [pid 6401] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 0 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 1 [pid 6401] <... futex resumed>) = 0 [pid 6400] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6399] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... futex resumed>) = 0 [pid 6403] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] openat(AT_FDCWD, NULL, O_RDWR [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6398] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 0 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6401] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6400] <... futex resumed>) = 1 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... futex resumed>) = 0 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... futex resumed>) = 1 [pid 6402] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6401] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6400] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 1 [pid 6401] <... futex resumed>) = 1 [pid 6400] mkdirat(AT_FDCWD, NULL, 0777 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 0 [pid 6403] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6399] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6398] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6401] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6400] <... futex resumed>) = 1 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... futex resumed>) = 0 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... futex resumed>) = 1 [pid 6402] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6401] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... futex resumed>) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = 0 [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] sendfile(-1, -1, NULL, 553647746 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 1 [pid 6400] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6399] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 0 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 1 [pid 6400] <... openat resumed>) = 4 [pid 6399] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] <... futex resumed>) = 0 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6400] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6402] <... futex resumed>) = 1 [pid 6401] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6399] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... futex resumed>) = 1 [pid 6403] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] memfd_create("syzkaller", 0 [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... memfd_create resumed>) = 5 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = 0 [pid 6394] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6403] <... futex resumed>) = 0 [pid 6402] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] openat(AT_FDCWD, NULL, O_RDWR [pid 6399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6402] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6399] <... mmap resumed>) = 0x7f41a5370000 [pid 6397] <... futex resumed>) = 0 [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] <... futex resumed>) = 0 [pid 6403] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... futex resumed>) = 1 [pid 6401] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6400] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] <... futex resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] mkdirat(AT_FDCWD, NULL, 0777 [pid 6402] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6401] <... futex resumed>) = 1 [pid 6400] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6403] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6399] <... write resumed>) = 262144 [pid 6398] <... futex resumed>) = 0 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] munmap(0x7f41a5370000, 138412032 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] mkdirat(AT_FDCWD, NULL, 0777 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... munmap resumed>) = 0 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6402] <... futex resumed>) = 1 [pid 6401] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6400] sendfile(-1, -1, NULL, 553647746 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6403] <... openat resumed>) = 4 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 1 [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6402] mkdirat(AT_FDCWD, NULL, 0777 [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] <... futex resumed>) = 0 [pid 6399] close(5 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6402] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] memfd_create("syzkaller", 0 [pid 6399] <... close resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6403] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6400] <... memfd_create resumed>) = 5 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... futex resumed>) = 1 [pid 6401] <... openat resumed>) = 4 [pid 6400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6399] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... futex resumed>) = 0 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... mmap resumed>) = 0x7f41a5370000 [pid 6399] <... futex resumed>) = 1 [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = 0 [pid 6403] openat(AT_FDCWD, NULL, O_RDWR [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 1 [pid 6395] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6403] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6400] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6399] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... futex resumed>) = 0 [pid 6394] exit_group(0 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... openat resumed>) = 4 [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 0 [pid 6403] <... futex resumed>) = 1 [pid 6401] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6397] <... futex resumed>) = 0 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6403] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = ? [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... futex resumed>) = 1 [pid 6395] <... futex resumed>) = 0 [pid 6394] <... exit_group resumed>) = ? [pid 6403] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6402] <... futex resumed>) = 0 [pid 6401] openat(AT_FDCWD, NULL, O_RDWR [pid 6400] <... write resumed>) = 262144 [pid 6398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6403] <... futex resumed>) = 1 [pid 6402] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] munmap(0x7f41a5370000, 138412032 [pid 6399] +++ exited with 0 +++ [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6394] +++ exited with 0 +++ [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 0 [pid 6400] <... munmap resumed>) = 0 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6394, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 0 [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6397] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] sendfile(-1, -1, NULL, 553647746 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 0 [pid 6400] close(5 [pid 6398] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 1 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] openat(AT_FDCWD, NULL, O_RDWR [pid 6401] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... futex resumed>) = 1 [pid 6401] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6397] <... futex resumed>) = 0 [pid 6402] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 1 [pid 6400] <... close resumed>) = 0 [pid 6397] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = 0 [pid 6400] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... futex resumed>) = 1 [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] memfd_create("syzkaller", 0 [pid 6400] <... futex resumed>) = 1 [pid 6397] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6403] <... memfd_create resumed>) = 5 [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] sendfile(-1, -1, NULL, 553647746 [pid 6400] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... futex resumed>) = 0 [pid 6396] exit_group(0 [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6402] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6401] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... futex resumed>) = ? [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... exit_group resumed>) = ? [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6403] <... mmap resumed>) = 0x7f41a5370000 [pid 6402] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 1 [pid 6400] +++ exited with 0 +++ [pid 6395] <... futex resumed>) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6402] <... futex resumed>) = 1 [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... futex resumed>) = 0 [pid 6395] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] memfd_create("syzkaller", 0 [pid 6398] <... futex resumed>) = 0 [pid 6396] +++ exited with 0 +++ [pid 6403] <... write resumed>) = 262144 [pid 6395] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6402] sendfile(-1, -1, NULL, 553647746 [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6396, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6403] munmap(0x7f41a5370000, 138412032 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6402] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... memfd_create resumed>) = 5 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6403] <... munmap resumed>) = 0 [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6402] <... futex resumed>) = 1 [pid 6401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6403] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] <... mmap resumed>) = 0x7f41a5370000 [pid 6398] <... futex resumed>) = 0 [pid 6403] close(5 [pid 5605] <... restart_syscall resumed>) = 0 [pid 6398] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 6404 attached [pid 6402] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6402] memfd_create("syzkaller", 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6404 [pid 6402] <... memfd_create resumed>) = 5 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6398] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6404] set_robust_list(0x5555683327a0, 24 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6404] <... set_robust_list resumed>) = 0 [pid 6402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6404] rt_sigprocmask(SIG_SETMASK, [] [pid 6403] <... close resumed>) = 0 [pid 6402] <... mmap resumed>) = 0x7f41a5370000 [pid 6401] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6403] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6403] <... futex resumed>) = 1 [pid 6404] <... prctl resumed>) = 0 [pid 6402] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6404] setpgid(0, 0 [pid 6403] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] <... futex resumed>) = 0 [pid 6404] <... setpgid resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6405 attached [pid 6404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] exit_group(0 [pid 6405] set_robust_list(0x5555683327a0, 24 [pid 6404] <... openat resumed>) = 3 [pid 6403] <... futex resumed>) = ? [pid 6397] <... exit_group resumed>) = ? [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6405 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6404] write(3, "1000", 4 [pid 6401] <... write resumed>) = 262144 [pid 6405] rt_sigprocmask(SIG_SETMASK, [] [pid 6404] <... write resumed>) = 4 [pid 6403] +++ exited with 0 +++ [pid 6402] <... write resumed>) = 262144 [pid 6401] munmap(0x7f41a5370000, 138412032 [pid 6397] +++ exited with 0 +++ [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6404] close(3 [pid 6402] munmap(0x7f41a5370000, 138412032 [pid 6401] <... munmap resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6397, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 6405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6404] <... close resumed>) = 0 [pid 6402] <... munmap resumed>) = 0 [pid 6401] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6405] <... prctl resumed>) = 0 executing program [pid 6404] write(1, "executing program\n", 18 [pid 6405] setpgid(0, 0 [pid 6404] <... write resumed>) = 18 [pid 6402] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6401] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6405] <... setpgid resumed>) = 0 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] close(5 [pid 6405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6402] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6404] <... futex resumed>) = 0 [pid 6405] <... openat resumed>) = 3 [pid 6402] close(5 [pid 6404] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6402] <... close resumed>) = 0 [pid 6401] <... close resumed>) = 0 [pid 6404] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6401] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6401] <... futex resumed>) = 1 [pid 6395] <... futex resumed>) = 0 [pid 6404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6401] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] write(3, "1000", 4 [pid 6404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6395] exit_group(0 [pid 6405] <... write resumed>) = 4 [pid 6405] close(3 [pid 6404] <... mmap resumed>) = 0x7f41ad770000 [pid 6402] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = ? [pid 6395] <... exit_group resumed>) = ? [pid 6405] <... close resumed>) = 0 [pid 6405] write(1, "executing program\n", 18 [pid 6402] <... futex resumed>) = 1 executing program [pid 6405] <... write resumed>) = 18 [pid 6404] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6402] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... futex resumed>) = 0 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... mprotect resumed>) = 0 [pid 6398] exit_group(0 [pid 6405] <... futex resumed>) = 0 [pid 6404] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6402] <... futex resumed>) = ? [pid 6398] <... exit_group resumed>) = ? [pid 6405] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6402] +++ exited with 0 +++ [pid 6405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6405] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6405] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6404] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6405] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6401] +++ exited with 0 +++ [pid 6404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6398] +++ exited with 0 +++ [pid 6395] +++ exited with 0 +++ ci2-upstream-fs/strace-static-x86_64: Process 6406 attached [pid 6405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6395, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6398, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ci2-upstream-fs/strace-static-x86_64: Process 6407 attached [pid 6404] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 6407] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6405] <... clone3 resumed> => {parent_tid=[6407]}, 88) = 6407 [pid 6404] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6407] <... rseq resumed>) = 0 [pid 6406] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6405] rt_sigprocmask(SIG_SETMASK, [] [pid 6404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... restart_syscall resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6407] set_robust_list(0x7f41ad7909a0, 24 [pid 6406] <... rseq resumed>) = 0 [pid 6405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6406] set_robust_list(0x7f41ad7909a0, 24 [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6407] rt_sigprocmask(SIG_SETMASK, [] [pid 6406] <... set_robust_list resumed>) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6406] rt_sigprocmask(SIG_SETMASK, [] [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6407] memfd_create("syzkaller", 0) = 3 [pid 6406] memfd_create("syzkaller", 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6408 attached [pid 6407] <... mmap resumed>) = 0x7f41a5370000 [pid 6406] <... memfd_create resumed>) = 3 [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6408 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6408] set_robust_list(0x5555683327a0, 24 [pid 6406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6408] <... set_robust_list resumed>) = 0 [pid 6406] <... mmap resumed>) = 0x7f41a5370000 [pid 6408] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6409 attached [pid 6409] set_robust_list(0x5555683327a0, 24 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6409 [pid 5601] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6410 attached [pid 6409] <... set_robust_list resumed>) = 0 [pid 6408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6410] set_robust_list(0x5555683327a0, 24 [pid 6409] rt_sigprocmask(SIG_SETMASK, [] [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6410 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6408] <... prctl resumed>) = 0 [pid 6407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6408] setpgid(0, 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6408] <... setpgid resumed>) = 0 [pid 6410] rt_sigprocmask(SIG_SETMASK, [] [pid 6409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] <... prctl resumed>) = 0 [pid 6410] <... prctl resumed>) = 0 [pid 6408] <... openat resumed>) = 3 [pid 6410] setpgid(0, 0 [pid 6408] write(3, "1000", 4 [pid 6410] <... setpgid resumed>) = 0 [pid 6408] <... write resumed>) = 4 [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6409] setpgid(0, 0 [pid 6408] close(3 [pid 6406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6410] <... openat resumed>) = 3 [pid 6409] <... setpgid resumed>) = 0 [pid 6408] <... close resumed>) = 0 [pid 6409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6408] write(1, "executing program\n", 18 [pid 6410] write(3, "1000", 4 [pid 6409] <... openat resumed>) = 3 [pid 6407] <... write resumed>) = 1048576 [pid 6408] <... write resumed>) = 18 [pid 6410] <... write resumed>) = 4 [pid 6407] munmap(0x7f41a5370000, 138412032 executing program [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] close(3 [pid 6409] write(3, "1000", 4 [pid 6408] <... futex resumed>) = 0 [pid 6407] <... munmap resumed>) = 0 [pid 6406] <... write resumed>) = 1048576 [pid 6410] <... close resumed>) = 0 [pid 6409] <... write resumed>) = 4 [pid 6408] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6410] write(1, "executing program\n", 18 executing program [pid 6409] close(3 [pid 6408] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6406] munmap(0x7f41a5370000, 138412032 [pid 6410] <... write resumed>) = 18 [pid 6409] <... close resumed>) = 0 [pid 6408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6407] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6406] <... munmap resumed>) = 0 [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6407] close(3 [pid 6410] <... futex resumed>) = 0 executing program [pid 6409] write(1, "executing program\n", 18 [pid 6406] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6410] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6409] <... write resumed>) = 18 [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6410] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6408] <... mmap resumed>) = 0x7f41ad770000 [pid 6410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6407] <... close resumed>) = 0 [pid 6408] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6406] close(3 [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6409] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... mprotect resumed>) = 0 [pid 6410] <... mmap resumed>) = 0x7f41ad770000 [pid 6409] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6408] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6407] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6410] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6408] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... mprotect resumed>) = 0 [pid 6409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6411 attached [pid 6410] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6407] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6410] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6408] <... clone3 resumed> => {parent_tid=[6411]}, 88) = 6411 [pid 6411] <... rseq resumed>) = 0 [pid 6410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6409] <... mmap resumed>) = 0x7f41ad770000 [pid 6407] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6411] set_robust_list(0x7f41ad7909a0, 24 [pid 6409] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6408] rt_sigprocmask(SIG_SETMASK, [] [pid 6411] <... set_robust_list resumed>) = 0 [pid 6409] <... mprotect resumed>) = 0 [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 6412 attached [pid 6411] rt_sigprocmask(SIG_SETMASK, [] [pid 6410] <... clone3 resumed> => {parent_tid=[6412]}, 88) = 6412 [pid 6409] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6407] <... futex resumed>) = 1 [pid 6406] <... close resumed>) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6412] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6410] rt_sigprocmask(SIG_SETMASK, [] [pid 6409] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... rseq resumed>) = 0 [pid 6411] memfd_create("syzkaller", 0 [pid 6410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6408] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6413 attached [pid 6412] set_robust_list(0x7f41ad7909a0, 24 [pid 6411] <... memfd_create resumed>) = 3 [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6407] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6406] <... futex resumed>) = 1 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] <... futex resumed>) = 0 [pid 6413] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6412] <... set_robust_list resumed>) = 0 [pid 6411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6410] <... futex resumed>) = 0 [pid 6409] <... clone3 resumed> => {parent_tid=[6413]}, 88) = 6413 [pid 6407] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] <... rseq resumed>) = 0 [pid 6412] rt_sigprocmask(SIG_SETMASK, [] [pid 6411] <... mmap resumed>) = 0x7f41a5370000 [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6409] rt_sigprocmask(SIG_SETMASK, [] [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] set_robust_list(0x7f41ad7909a0, 24 [pid 6412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6412] memfd_create("syzkaller", 0 [pid 6413] rt_sigprocmask(SIG_SETMASK, [] [pid 6412] <... memfd_create resumed>) = 3 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 0 [pid 6404] <... futex resumed>) = 1 [pid 6413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6409] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = 1 [pid 6406] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6405] <... futex resumed>) = 0 [pid 6413] memfd_create("syzkaller", 0 [pid 6412] <... mmap resumed>) = 0x7f41a5370000 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... memfd_create resumed>) = 3 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 [pid 6407] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6407] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6404] <... futex resumed>) = 0 [pid 6413] <... mmap resumed>) = 0x7f41a5370000 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 [pid 6407] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6406] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] <... futex resumed>) = 0 [pid 6407] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 [pid 6407] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 0 [pid 6412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6407] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6406] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] mkdirat(AT_FDCWD, NULL, 0777 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 [pid 6404] <... futex resumed>) = 0 [pid 6407] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6406] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6404] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] <... openat resumed>) = 4 [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = 0 [pid 6413] <... write resumed>) = 1048576 [pid 6412] <... write resumed>) = 1048576 [pid 6411] <... write resumed>) = 1048576 [pid 6406] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6407] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] munmap(0x7f41a5370000, 138412032 [pid 6412] munmap(0x7f41a5370000, 138412032 [pid 6411] munmap(0x7f41a5370000, 138412032 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... munmap resumed>) = 0 [pid 6412] <... munmap resumed>) = 0 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 0 [pid 6411] <... munmap resumed>) = 0 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6412] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6406] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 0 [pid 6413] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6412] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6411] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6407] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] close(3 [pid 6412] close(3 [pid 6411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6407] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] <... futex resumed>) = 0 [pid 6406] mkdirat(AT_FDCWD, NULL, 0777) = -1 EFAULT (Bad address) [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] close(3 [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 [pid 6407] openat(AT_FDCWD, NULL, O_RDWR [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = 1 [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6407] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6406] <... openat resumed>) = 4 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] sendfile(-1, -1, NULL, 553647746 [pid 6406] <... futex resumed>) = 1 [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = 0 [pid 6407] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... close resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] <... futex resumed>) = 0 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... close resumed>) = 0 [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 0 [pid 6406] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6413] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 0 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6405] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6413] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6412] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 0 [pid 6413] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6410] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6407] memfd_create("syzkaller", 0 [pid 6406] <... futex resumed>) = 1 [pid 6405] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6404] <... futex resumed>) = 0 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6411] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... memfd_create resumed>) = 5 [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = 1 [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] <... futex resumed>) = 0 [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6411] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6406] openat(AT_FDCWD, NULL, O_RDWR [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... mmap resumed>) = 0x7f41a5370000 [pid 6406] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6413] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6412] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6412] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6411] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 0 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6411] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = 0 [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6413] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = 0 [pid 6413] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] <... futex resumed>) = 0 [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6411] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6408] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = 0 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... futex resumed>) = 0 [pid 6412] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 0 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 0 [pid 6404] <... futex resumed>) = 1 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = 1 [pid 6411] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6410] <... futex resumed>) = 0 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... futex resumed>) = 0 [pid 6406] sendfile(-1, -1, NULL, 553647746 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... futex resumed>) = 0 [pid 6412] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... write resumed>) = 262144 [pid 6406] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... futex resumed>) = 0 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] munmap(0x7f41a5370000, 138412032 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6412] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] <... futex resumed>) = 0 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 0 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... munmap resumed>) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6412] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] memfd_create("syzkaller", 0 [pid 6404] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] <... futex resumed>) = 0 [pid 6407] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6411] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] close(5 [pid 6406] <... memfd_create resumed>) = 5 [pid 6404] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6412] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6407] <... close resumed>) = 0 [pid 6406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6404] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... futex resumed>) = 1 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 0 [pid 6407] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... mmap resumed>) = 0x7f41a5370000 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... futex resumed>) = 0 [pid 6407] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] mkdirat(AT_FDCWD, NULL, 0777 [pid 6412] <... futex resumed>) = 1 [pid 6411] mkdirat(AT_FDCWD, NULL, 0777 [pid 6410] <... futex resumed>) = 0 [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6405] exit_group(0 [pid 6412] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6410] <... futex resumed>) = 0 [pid 6412] mkdirat(AT_FDCWD, NULL, 0777 [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = ? [pid 6405] <... exit_group resumed>) = ? [pid 6413] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 1 [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] +++ exited with 0 +++ [pid 6406] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6410] <... futex resumed>) = 0 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 0 [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... futex resumed>) = 0 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6412] <... openat resumed>) = 4 [pid 6411] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... openat resumed>) = 4 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... openat resumed>) = 4 [pid 6410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... write resumed>) = 262144 [pid 6405] +++ exited with 0 +++ [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = 0 [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6409] <... futex resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6405, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6412] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6411] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6413] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6412] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] munmap(0x7f41a5370000, 138412032 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6408] <... futex resumed>) = 0 [pid 6406] <... munmap resumed>) = 0 [pid 6413] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 0 [pid 6411] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] openat(AT_FDCWD, NULL, O_RDWR [pid 6412] openat(AT_FDCWD, NULL, O_RDWR [pid 6411] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6406] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6412] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6408] <... futex resumed>) = 0 [pid 6406] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6413] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 0 [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] close(5 [pid 6413] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6412] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6413] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6411] openat(AT_FDCWD, NULL, O_RDWR [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... restart_syscall resumed>) = 0 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6411] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... futex resumed>) = 0 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... close resumed>) = 0 [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 0 [pid 6406] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6413] sendfile(-1, -1, NULL, 553647746 [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] <... futex resumed>) = 0 [pid 6406] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] sendfile(-1, -1, NULL, 553647746 [pid 6411] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... futex resumed>) = 0 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6413] <... futex resumed>) = 0 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] exit_group(0 [pid 6412] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... futex resumed>) = 0 [pid 6410] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... futex resumed>) = ? [pid 6404] <... exit_group resumed>) = ? [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... futex resumed>) = 0 [pid 6409] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] +++ exited with 0 +++ [pid 6412] memfd_create("syzkaller", 0 [pid 6410] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6412] <... memfd_create resumed>) = 5 [pid 6408] <... futex resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... futex resumed>) = 1 [pid 6413] <... futex resumed>) = 0 [pid 6412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6411] sendfile(-1, -1, NULL, 553647746 [pid 6409] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] +++ exited with 0 +++ [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6413] memfd_create("syzkaller", 0 [pid 6412] <... mmap resumed>) = 0x7f41a5370000 [pid 6411] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6404, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6413] <... memfd_create resumed>) = 5 [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6411] <... futex resumed>) = 1 [pid 6408] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6413] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6408] <... futex resumed>) = 0 [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6411] memfd_create("syzkaller", 0 [pid 6408] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6411] <... memfd_create resumed>) = 5 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6414 attached [pid 6411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 6415 attached ) = 0x7f41a5370000 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6414 [pid 6414] set_robust_list(0x5555683327a0, 24 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6415 [pid 6415] set_robust_list(0x5555683327a0, 24 [pid 6414] <... set_robust_list resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6415] <... set_robust_list resumed>) = 0 [pid 6412] <... write resumed>) = 262144 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6415] rt_sigprocmask(SIG_SETMASK, [] [pid 6414] rt_sigprocmask(SIG_SETMASK, [] [pid 6412] munmap(0x7f41a5370000, 138412032 [pid 6415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6412] <... munmap resumed>) = 0 [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6414] <... prctl resumed>) = 0 [pid 6415] <... prctl resumed>) = 0 [pid 6414] setpgid(0, 0 [pid 6412] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6415] setpgid(0, 0 [pid 6414] <... setpgid resumed>) = 0 [pid 6412] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6415] <... setpgid resumed>) = 0 [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6412] close(5 [pid 6415] <... openat resumed>) = 3 [pid 6414] <... openat resumed>) = 3 [pid 6411] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6415] write(3, "1000", 4) = 4 [pid 6414] write(3, "1000", 4 [pid 6413] <... write resumed>) = 262144 [pid 6412] <... close resumed>) = 0 [pid 6411] <... write resumed>) = 262144 [pid 6415] close(3 [pid 6414] <... write resumed>) = 4 [pid 6413] munmap(0x7f41a5370000, 138412032 [pid 6415] <... close resumed>) = 0 [pid 6414] close(3 [pid 6412] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] munmap(0x7f41a5370000, 138412032 [pid 6415] write(1, "executing program\n", 18 [pid 6414] <... close resumed>) = 0 [pid 6413] <... munmap resumed>) = 0 [pid 6412] <... futex resumed>) = 1 executing program [pid 6411] <... munmap resumed>) = 0 [pid 6410] <... futex resumed>) = 0 [pid 6415] <... write resumed>) = 18 [pid 6414] write(1, "executing program\n", 18 [pid 6413] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6412] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... write resumed>) = 18 executing program [pid 6411] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6410] exit_group(0 [pid 6415] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6412] <... futex resumed>) = ? [pid 6411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6410] <... exit_group resumed>) = ? [pid 6415] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6414] <... futex resumed>) = 0 [pid 6413] close(5 [pid 6415] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6414] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6412] +++ exited with 0 +++ [pid 6411] close(5 [pid 6415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6414] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6413] <... close resumed>) = 0 [pid 6415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6413] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... mmap resumed>) = 0x7f41ad770000 [pid 6414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6415] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6413] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] <... mprotect resumed>) = 0 [pid 6414] <... mmap resumed>) = 0x7f41ad770000 [pid 6411] <... close resumed>) = 0 [pid 6410] +++ exited with 0 +++ [pid 6409] exit_group(0 [pid 6415] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6414] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6415] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6414] <... mprotect resumed>) = 0 [pid 6413] <... futex resumed>) = ? [pid 6415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6414] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6411] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... exit_group resumed>) = ? ci2-upstream-fs/strace-static-x86_64: Process 6416 attached [pid 6414] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6413] +++ exited with 0 +++ [pid 6411] <... futex resumed>) = 1 [pid 6408] <... futex resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6410, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 6415] <... clone3 resumed> => {parent_tid=[6416]}, 88) = 6416 [pid 6414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6411] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] exit_group(0ci2-upstream-fs/strace-static-x86_64: Process 6417 attached [pid 6416] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6415] rt_sigprocmask(SIG_SETMASK, [] [pid 6411] <... futex resumed>) = ? [pid 6408] <... exit_group resumed>) = ? [pid 6417] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6416] <... rseq resumed>) = 0 [pid 6415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6414] <... clone3 resumed> => {parent_tid=[6417]}, 88) = 6417 [pid 6417] <... rseq resumed>) = 0 [pid 6416] set_robust_list(0x7f41ad7909a0, 24 [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] rt_sigprocmask(SIG_SETMASK, [] [pid 6411] +++ exited with 0 +++ [pid 6408] +++ exited with 0 +++ [pid 6417] set_robust_list(0x7f41ad7909a0, 24 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6417] <... set_robust_list resumed>) = 0 [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] rt_sigprocmask(SIG_SETMASK, [] [pid 6414] <... futex resumed>) = 0 [pid 6417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6417] memfd_create("syzkaller", 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6416] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6408, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6417] <... memfd_create resumed>) = 3 [pid 6416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6416] memfd_create("syzkaller", 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6417] <... mmap resumed>) = 0x7f41a5370000 [pid 6416] <... memfd_create resumed>) = 3 [pid 6409] +++ exited with 0 +++ [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6416] <... mmap resumed>) = 0x7f41a5370000 [pid 5602] <... restart_syscall resumed>) = 0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6409, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6418 attached , [], 8) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6418 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6418] set_robust_list(0x5555683327a0, 24 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6418] <... set_robust_list resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6418] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 6419 attached [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6419 [pid 5601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6420 attached [pid 6419] set_robust_list(0x5555683327a0, 24 [pid 6418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6419] <... set_robust_list resumed>) = 0 [pid 6419] rt_sigprocmask(SIG_SETMASK, [] [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6420] set_robust_list(0x5555683327a0, 24 [pid 6418] setpgid(0, 0 [pid 6419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6418] <... setpgid resumed>) = 0 [pid 6420] <... set_robust_list resumed>) = 0 [pid 6419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6419] <... prctl resumed>) = 0 [pid 6419] setpgid(0, 0) = 0 [pid 6420] rt_sigprocmask(SIG_SETMASK, [] [pid 6419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6418] <... openat resumed>) = 3 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6420 [pid 6419] <... openat resumed>) = 3 [pid 6419] write(3, "1000", 4) = 4 [pid 6419] close(3) = 0 [pid 6419] write(1, "executing program\n", 18 [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6419] <... write resumed>) = 18 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 6420] <... prctl resumed>) = 0 [pid 6418] write(3, "1000", 4 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6420] setpgid(0, 0 [pid 6419] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6420] <... setpgid resumed>) = 0 [pid 6419] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6418] <... write resumed>) = 4 [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6418] close(3 [pid 6420] <... openat resumed>) = 3 [pid 6419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6418] <... close resumed>) = 0 [pid 6419] <... mmap resumed>) = 0x7f41ad770000 [pid 6419] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6420] write(3, "1000", 4 [pid 6418] write(1, "executing program\n", 18 [pid 6420] <... write resumed>) = 4 [pid 6418] <... write resumed>) = 18 executing program [pid 6419] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] close(3 [pid 6418] <... futex resumed>) = 0 [pid 6419] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6420] <... close resumed>) = 0 [pid 6418] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6420] write(1, "executing program\n", 18ci2-upstream-fs/strace-static-x86_64: Process 6421 attached ) = 18 [pid 6418] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6421] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6419] <... clone3 resumed> => {parent_tid=[6421]}, 88) = 6421 executing program [pid 6421] <... rseq resumed>) = 0 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6421] set_robust_list(0x7f41ad7909a0, 24 [pid 6420] <... futex resumed>) = 0 [pid 6419] rt_sigprocmask(SIG_SETMASK, [] [pid 6418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6421] <... set_robust_list resumed>) = 0 [pid 6420] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6421] rt_sigprocmask(SIG_SETMASK, [] [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... write resumed>) = 1048576 [pid 6421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6420] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6419] <... futex resumed>) = 0 [pid 6418] <... mmap resumed>) = 0x7f41ad770000 [pid 6417] munmap(0x7f41a5370000, 138412032 [pid 6421] memfd_create("syzkaller", 0 [pid 6420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6418] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6421] <... memfd_create resumed>) = 3 [pid 6420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6418] <... mprotect resumed>) = 0 [pid 6417] <... munmap resumed>) = 0 [pid 6416] <... write resumed>) = 1048576 [pid 6421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6418] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6421] <... mmap resumed>) = 0x7f41a5370000 [pid 6420] <... mmap resumed>) = 0x7f41ad770000 [pid 6418] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6417] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6416] munmap(0x7f41a5370000, 138412032 [pid 6418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6416] <... munmap resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6422 attached [pid 6416] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6422] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6420] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6418] <... clone3 resumed> => {parent_tid=[6422]}, 88) = 6422 [pid 6417] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6420] <... mprotect resumed>) = 0 [pid 6417] close(3 [pid 6422] <... rseq resumed>) = 0 [pid 6420] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6418] rt_sigprocmask(SIG_SETMASK, [] [pid 6416] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6422] set_robust_list(0x7f41ad7909a0, 24 [pid 6418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6416] close(3 [pid 6422] <... set_robust_list resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] rt_sigprocmask(SIG_SETMASK, [] [pid 6420] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6422] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6423 attached [pid 6422] memfd_create("syzkaller", 0 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6423] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6420] <... clone3 resumed> => {parent_tid=[6423]}, 88) = 6423 [pid 6423] <... rseq resumed>) = 0 [pid 6422] <... memfd_create resumed>) = 3 [pid 6420] rt_sigprocmask(SIG_SETMASK, [] [pid 6423] set_robust_list(0x7f41ad7909a0, 24 [pid 6422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6422] <... mmap resumed>) = 0x7f41a5370000 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] rt_sigprocmask(SIG_SETMASK, [] [pid 6421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6420] <... futex resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6423] memfd_create("syzkaller", 0) = 3 [pid 6423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6417] <... close resumed>) = 0 [pid 6416] <... close resumed>) = 0 [pid 6423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6422] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6421] <... write resumed>) = 1048576 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] munmap(0x7f41a5370000, 138412032 [pid 6417] <... futex resumed>) = 1 [pid 6416] <... futex resumed>) = 1 [pid 6414] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6421] <... munmap resumed>) = 0 [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6417] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6416] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6417] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6421] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] close(3 [pid 6417] <... futex resumed>) = 1 [pid 6414] <... futex resumed>) = 0 [pid 6417] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6414] <... futex resumed>) = 0 [pid 6417] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... write resumed>) = 1048576 [pid 6417] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6423] munmap(0x7f41a5370000, 138412032 [pid 6417] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... munmap resumed>) = 0 [pid 6417] <... futex resumed>) = 1 [pid 6416] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... futex resumed>) = 0 [pid 6421] <... close resumed>) = 0 [pid 6423] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6417] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6423] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6416] <... futex resumed>) = 0 [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... write resumed>) = 1048576 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] close(3 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6416] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6415] <... futex resumed>) = 0 [pid 6422] munmap(0x7f41a5370000, 138412032 [pid 6421] <... futex resumed>) = 1 [pid 6419] <... futex resumed>) = 0 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... munmap resumed>) = 0 [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 1 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... futex resumed>) = 0 [pid 6422] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6419] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6421] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] close(3 [pid 6421] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6417] mkdirat(AT_FDCWD, NULL, 0777 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6416] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] <... close resumed>) = 0 [pid 6421] <... futex resumed>) = 1 [pid 6419] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME) = 4 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... close resumed>) = 0 [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 1 [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = 1 [pid 6422] <... futex resumed>) = 1 [pid 6421] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = 1 [pid 6418] <... futex resumed>) = 0 [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6420] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6422] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... futex resumed>) = 0 [pid 6416] mkdirat(AT_FDCWD, NULL, 0777 [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... futex resumed>) = 1 [pid 6423] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6422] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6421] <... futex resumed>) = 1 [pid 6419] <... futex resumed>) = 0 [pid 6417] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6416] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = 1 [pid 6422] <... futex resumed>) = 1 [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 1 [pid 6416] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6422] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6421] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] <... futex resumed>) = 0 [pid 6423] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6422] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... futex resumed>) = 0 [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = 1 [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = 1 [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6416] <... openat resumed>) = 4 [pid 6414] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 1 [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] openat(AT_FDCWD, NULL, O_RDWR [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] <... futex resumed>) = 0 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 1 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6421] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6422] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... futex resumed>) = 1 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6423] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = 1 [pid 6421] <... futex resumed>) = 1 [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6414] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 1 [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6422] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6416] openat(AT_FDCWD, NULL, O_RDWR [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6417] <... futex resumed>) = 1 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] sendfile(-1, -1, NULL, 553647746 [pid 6416] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6417] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] <... futex resumed>) = 0 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 1 [pid 6414] <... futex resumed>) = 0 [pid 6423] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6422] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6421] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] sendfile(-1, -1, NULL, 553647746 [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = 1 [pid 6421] <... futex resumed>) = 1 [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6417] memfd_create("syzkaller", 0 [pid 6416] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6414] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6423] mkdirat(AT_FDCWD, NULL, 0777 [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... memfd_create resumed>) = 5 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6416] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] mkdirat(AT_FDCWD, NULL, 0777 [pid 6421] mkdirat(AT_FDCWD, NULL, 0777 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] <... futex resumed>) = 0 [pid 6422] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6421] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6417] <... mmap resumed>) = 0x7f41a5370000 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = 1 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6415] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] memfd_create("syzkaller", 0 [pid 6423] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6416] <... memfd_create resumed>) = 5 [pid 6423] <... openat resumed>) = 4 [pid 6422] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... openat resumed>) = 4 [pid 6421] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6423] <... futex resumed>) = 1 [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... openat resumed>) = 4 [pid 6420] <... futex resumed>) = 0 [pid 6416] <... mmap resumed>) = 0x7f41a5370000 [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] <... futex resumed>) = 1 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] <... futex resumed>) = 0 [pid 6422] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6423] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] <... futex resumed>) = 1 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... write resumed>) = 262144 [pid 6416] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6423] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6417] munmap(0x7f41a5370000, 138412032 [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] openat(AT_FDCWD, NULL, O_RDWR [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... futex resumed>) = 1 [pid 6422] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6421] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... munmap resumed>) = 0 [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = 1 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6417] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6416] <... write resumed>) = 262144 [pid 6423] openat(AT_FDCWD, NULL, O_RDWR [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] <... futex resumed>) = 1 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] munmap(0x7f41a5370000, 138412032 [pid 6423] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6417] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] openat(AT_FDCWD, NULL, O_RDWR [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6416] <... munmap resumed>) = 0 [pid 6423] <... futex resumed>) = 1 [pid 6422] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6421] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6420] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] close(5 [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6419] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6421] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = 1 [pid 6416] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] <... futex resumed>) = 0 [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6416] close(5 [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] sendfile(-1, -1, NULL, 553647746 [pid 6419] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6418] <... futex resumed>) = 1 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6422] sendfile(-1, -1, NULL, 553647746 [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = 1 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... close resumed>) = 0 [pid 6423] sendfile(-1, -1, NULL, 553647746 [pid 6422] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... futex resumed>) = 0 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... close resumed>) = 0 [pid 6423] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] memfd_create("syzkaller", 0 [pid 6419] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 1 [pid 6416] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = 0 [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = 1 [pid 6421] <... memfd_create resumed>) = 5 [pid 6419] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6418] <... futex resumed>) = 0 [pid 6417] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6414] exit_group(0 [pid 6423] <... futex resumed>) = 1 [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6420] <... futex resumed>) = 0 [pid 6418] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] exit_group(0 [pid 6423] memfd_create("syzkaller", 0 [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] <... mmap resumed>) = 0x7f41a5370000 [pid 6420] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = ? [pid 6414] <... exit_group resumed>) = ? [pid 6423] <... memfd_create resumed>) = 5 [pid 6422] memfd_create("syzkaller", 0 [pid 6420] <... futex resumed>) = 0 [pid 6416] <... futex resumed>) = ? [pid 6415] <... exit_group resumed>) = ? [pid 6423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6422] <... memfd_create resumed>) = 5 [pid 6421] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6418] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6423] <... mmap resumed>) = 0x7f41a5370000 [pid 6420] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6423] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6417] +++ exited with 0 +++ [pid 6414] +++ exited with 0 +++ [pid 6422] <... mmap resumed>) = 0x7f41a5370000 [pid 6421] <... write resumed>) = 262144 [pid 6416] +++ exited with 0 +++ [pid 6415] +++ exited with 0 +++ [pid 6423] <... write resumed>) = 262144 [pid 6422] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6421] munmap(0x7f41a5370000, 138412032 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6414, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6423] munmap(0x7f41a5370000, 138412032 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6423] <... munmap resumed>) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6423] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6421] <... munmap resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6423] close(5 [pid 6421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6424 attached [pid 6423] <... close resumed>) = 0 [pid 6422] <... write resumed>) = 262144 [pid 6421] close(5 [pid 6424] set_robust_list(0x5555683327a0, 24) = 0 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6424 [pid 6424] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6423] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6422] munmap(0x7f41a5370000, 138412032 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6423] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6422] <... munmap resumed>) = 0 [pid 6420] exit_group(0 [pid 6424] <... prctl resumed>) = 0 [pid 6420] <... exit_group resumed>) = ? [pid 6424] setpgid(0, 0 [pid 6423] <... futex resumed>) = ? [pid 6422] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6421] <... close resumed>) = 0 [pid 6424] <... setpgid resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6424] <... openat resumed>) = 3 [pid 6423] +++ exited with 0 +++ [pid 6422] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6421] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] +++ exited with 0 +++ [pid 6421] <... futex resumed>) = 1 [pid 6421] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6420, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6424] write(3, "1000", 4 [pid 6422] close(5 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6424] <... write resumed>) = 4 [pid 6419] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6424] close(3 [pid 6419] exit_group(0 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6425 attached [pid 6424] <... close resumed>) = 0 [pid 6422] <... close resumed>) = 0 [pid 6421] <... futex resumed>) = ? [pid 6419] <... exit_group resumed>) = ? [pid 5602] <... restart_syscall resumed>) = 0 [pid 6425] set_robust_list(0x5555683327a0, 24 [pid 6424] write(1, "executing program\n", 18 [pid 6422] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] +++ exited with 0 +++ executing program [pid 6422] <... futex resumed>) = 1 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6424] <... write resumed>) = 18 [pid 6419] +++ exited with 0 +++ [pid 6418] <... futex resumed>) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6425 [pid 6425] rt_sigprocmask(SIG_SETMASK, [] [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] exit_group(0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6419, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6424] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6422] <... futex resumed>) = ? [pid 6418] <... exit_group resumed>) = ? [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6425] <... prctl resumed>) = 0 [pid 6424] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6422] +++ exited with 0 +++ [pid 6425] setpgid(0, 0 [pid 6424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6425] <... setpgid resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6418] +++ exited with 0 +++ [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6425] <... openat resumed>) = 3 [pid 6424] <... mmap resumed>) = 0x7f41ad770000 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6418, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6425] write(3, "1000", 4 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6425] <... write resumed>) = 4 [pid 6425] close(3ci2-upstream-fs/strace-static-x86_64: Process 6426 attached [pid 6424] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5609] <... restart_syscall resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6426] set_robust_list(0x5555683327a0, 24 [pid 6425] <... close resumed>) = 0 [pid 6424] <... mprotect resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6426 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6425] write(1, "executing program\n", 18 [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6426] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6425] <... write resumed>) = 18 [pid 6424] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6427 attached [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6428 attached [pid 6427] set_robust_list(0x5555683327a0, 24 [pid 6426] <... prctl resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6428] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6427] <... set_robust_list resumed>) = 0 [pid 6426] setpgid(0, 0 [pid 6425] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6424] <... clone3 resumed> => {parent_tid=[6428]}, 88) = 6428 [pid 6428] <... rseq resumed>) = 0 [pid 6427] rt_sigprocmask(SIG_SETMASK, [] [pid 6426] <... setpgid resumed>) = 0 [pid 6425] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6424] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6427 [pid 6428] set_robust_list(0x7f41ad7909a0, 24 [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6428] <... set_robust_list resumed>) = 0 [pid 6427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6426] <... openat resumed>) = 3 [pid 6425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6428] rt_sigprocmask(SIG_SETMASK, [] [pid 6427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6427] <... prctl resumed>) = 0 [pid 6427] setpgid(0, 0) = 0 [pid 6428] memfd_create("syzkaller", 0 [pid 6427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6426] write(3, "1000", 4 [pid 6425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6424] <... futex resumed>) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6425] <... mmap resumed>) = 0x7f41ad770000 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6428] <... memfd_create resumed>) = 3 [pid 6427] <... openat resumed>) = 3 [pid 6426] <... write resumed>) = 4 [pid 6425] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6427] write(3, "1000", 4ci2-upstream-fs/strace-static-x86_64: Process 6429 attached [pid 6428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6426] close(3 [pid 6425] <... mprotect resumed>) = 0 [pid 6429] set_robust_list(0x5555683327a0, 24 [pid 6428] <... mmap resumed>) = 0x7f41a5370000 [pid 6427] <... write resumed>) = 4 [pid 6426] <... close resumed>) = 0 [pid 6425] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6429 [pid 6429] <... set_robust_list resumed>) = 0 [pid 6427] close(3 [pid 6426] write(1, "executing program\n", 18 [pid 6425] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 6429] rt_sigprocmask(SIG_SETMASK, [] [pid 6426] <... write resumed>) = 18 [pid 6425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6427] <... close resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6430 attached [pid 6429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6427] write(1, "executing program\n", 18 [pid 6430] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6427] <... write resumed>) = 18 [pid 6426] <... futex resumed>) = 0 [pid 6429] <... prctl resumed>) = 0 [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6425] <... clone3 resumed> => {parent_tid=[6430]}, 88) = 6430 [pid 6430] <... rseq resumed>) = 0 [pid 6429] setpgid(0, 0 [pid 6427] <... futex resumed>) = 0 [pid 6426] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6425] rt_sigprocmask(SIG_SETMASK, [] [pid 6429] <... setpgid resumed>) = 0 [pid 6426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] set_robust_list(0x7f41ad7909a0, 24 [pid 6429] <... openat resumed>) = 3 [pid 6427] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6425] <... futex resumed>) = 0 [pid 6430] <... set_robust_list resumed>) = 0 [pid 6427] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [] [pid 6427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6426] <... mmap resumed>) = 0x7f41ad770000 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6430] memfd_create("syzkaller", 0 [pid 6429] write(3, "1000", 4 [pid 6427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6426] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6430] <... memfd_create resumed>) = 3 [pid 6429] <... write resumed>) = 4 [pid 6428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6427] <... mmap resumed>) = 0x7f41ad770000 [pid 6426] <... mprotect resumed>) = 0 [pid 6430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6429] close(3 [pid 6427] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6426] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6430] <... mmap resumed>) = 0x7f41a5370000 [pid 6429] <... close resumed>) = 0 [pid 6427] <... mprotect resumed>) = 0 [pid 6426] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6429] write(1, "executing program\n", 18 [pid 6427] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6429] <... write resumed>) = 18 executing program [pid 6427] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6432 attached ci2-upstream-fs/strace-static-x86_64: Process 6431 attached [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... clone3 resumed> => {parent_tid=[6431]}, 88) = 6431 [pid 6431] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6429] <... futex resumed>) = 0 [pid 6426] rt_sigprocmask(SIG_SETMASK, [] [pid 6432] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6431] <... rseq resumed>) = 0 [pid 6429] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6431] set_robust_list(0x7f41ad7909a0, 24 [pid 6429] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6427] <... clone3 resumed> => {parent_tid=[6432]}, 88) = 6432 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... set_robust_list resumed>) = 0 [pid 6429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6432] <... rseq resumed>) = 0 [pid 6431] rt_sigprocmask(SIG_SETMASK, [] [pid 6429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6427] rt_sigprocmask(SIG_SETMASK, [] [pid 6426] <... futex resumed>) = 0 [pid 6432] set_robust_list(0x7f41ad7909a0, 24 [pid 6431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6432] <... set_robust_list resumed>) = 0 [pid 6431] memfd_create("syzkaller", 0 [pid 6429] <... mmap resumed>) = 0x7f41ad770000 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] rt_sigprocmask(SIG_SETMASK, [] [pid 6427] <... futex resumed>) = 0 [pid 6431] <... memfd_create resumed>) = 3 [pid 6429] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6429] <... mprotect resumed>) = 0 [pid 6431] <... mmap resumed>) = 0x7f41a5370000 [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6429] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6432] memfd_create("syzkaller", 0 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6433 attached [pid 6432] <... memfd_create resumed>) = 3 [pid 6432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6433] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6429] <... clone3 resumed> => {parent_tid=[6433]}, 88) = 6433 [pid 6429] rt_sigprocmask(SIG_SETMASK, [] [pid 6433] <... rseq resumed>) = 0 [pid 6433] set_robust_list(0x7f41ad7909a0, 24 [pid 6429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6433] <... set_robust_list resumed>) = 0 [pid 6430] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6433] memfd_create("syzkaller", 0 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6433] <... memfd_create resumed>) = 3 [pid 6433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6428] <... write resumed>) = 1048576 [pid 6433] <... mmap resumed>) = 0x7f41a5370000 [pid 6428] munmap(0x7f41a5370000, 138412032) = 0 [pid 6430] <... write resumed>) = 1048576 [pid 6430] munmap(0x7f41a5370000, 138412032 [pid 6428] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6430] <... munmap resumed>) = 0 [pid 6428] close(3 [pid 6430] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6432] <... write resumed>) = 1048576 [pid 6430] close(3 [pid 6432] munmap(0x7f41a5370000, 138412032 [pid 6428] <... close resumed>) = 0 [pid 6432] <... munmap resumed>) = 0 [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6431] <... write resumed>) = 1048576 [pid 6428] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6431] munmap(0x7f41a5370000, 138412032 [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6428] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6424] <... futex resumed>) = 0 [pid 6432] close(3 [pid 6431] <... munmap resumed>) = 0 [pid 6428] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... futex resumed>) = 0 [pid 6428] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] close(3 [pid 6428] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... close resumed>) = 0 [pid 6430] <... close resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... futex resumed>) = 1 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6432] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... futex resumed>) = 1 [pid 6428] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... futex resumed>) = 0 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] <... futex resumed>) = 0 [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6430] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6428] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6432] <... futex resumed>) = 1 [pid 6427] <... futex resumed>) = 0 [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6430] <... futex resumed>) = 0 [pid 6428] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6427] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6432] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... write resumed>) = 1048576 [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6433] munmap(0x7f41a5370000, 138412032 [pid 6432] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = 0 [pid 6432] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6431] <... close resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... munmap resumed>) = 0 [pid 6432] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = 0 [pid 6433] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 1 [pid 6430] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6428] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] <... futex resumed>) = 0 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] close(3 [pid 6432] <... futex resumed>) = 0 [pid 6431] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6430] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6432] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6431] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6428] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6427] <... futex resumed>) = 0 [pid 6432] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... futex resumed>) = 0 [pid 6432] <... futex resumed>) = 0 [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6428] mkdirat(AT_FDCWD, NULL, 0777 [pid 6427] <... futex resumed>) = 0 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6425] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6432] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6430] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6428] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 0 [pid 6430] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] <... futex resumed>) = 1 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... futex resumed>) = 0 [pid 6431] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... futex resumed>) = 0 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] mkdirat(AT_FDCWD, NULL, 0777 [pid 6431] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6430] <... futex resumed>) = 1 [pid 6428] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6427] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6433] <... close resumed>) = 0 [pid 6432] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] <... openat resumed>) = 4 [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 1 [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6432] <... futex resumed>) = 0 [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6429] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = 0 [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] <... futex resumed>) = 0 [pid 6426] <... futex resumed>) = 0 [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... openat resumed>) = 4 [pid 6431] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = 0 [pid 6433] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... futex resumed>) = 1 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6425] <... futex resumed>) = 0 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6432] <... futex resumed>) = 0 [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6431] <... futex resumed>) = 1 [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = 0 [pid 6426] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6432] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6429] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = 0 [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] <... futex resumed>) = 0 [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = 0 [pid 6432] <... futex resumed>) = 0 [pid 6431] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] openat(AT_FDCWD, NULL, O_RDWR [pid 6429] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] <... futex resumed>) = 0 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6432] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6431] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] openat(AT_FDCWD, NULL, O_RDWR [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 1 [pid 6428] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6432] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6431] <... futex resumed>) = 1 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = 0 [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... futex resumed>) = 1 [pid 6427] <... futex resumed>) = 0 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] mkdirat(AT_FDCWD, NULL, 0777 [pid 6429] <... futex resumed>) = 0 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6432] <... futex resumed>) = 0 [pid 6431] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6430] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = 0 [pid 6433] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] <... futex resumed>) = 1 [pid 6428] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6427] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6432] sendfile(-1, -1, NULL, 553647746 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = 0 [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6433] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6432] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... futex resumed>) = 1 [pid 6425] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6433] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 1 [pid 6430] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6429] <... futex resumed>) = 0 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... futex resumed>) = 1 [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... openat resumed>) = 4 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] <... futex resumed>) = 0 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 0 [pid 6432] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = 0 [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] mkdirat(AT_FDCWD, NULL, 0777 [pid 6430] <... futex resumed>) = 1 [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] sendfile(-1, -1, NULL, 553647746 [pid 6427] <... futex resumed>) = 0 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] memfd_create("syzkaller", 0 [pid 6431] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = 0 [pid 6428] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6433] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6432] <... memfd_create resumed>) = 5 [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6431] <... futex resumed>) = 1 [pid 6430] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6426] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6432] <... mmap resumed>) = 0x7f41a5370000 [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6431] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] memfd_create("syzkaller", 0 [pid 6426] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... futex resumed>) = 0 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6433] <... futex resumed>) = 1 [pid 6431] <... openat resumed>) = 4 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... memfd_create resumed>) = 5 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6425] <... futex resumed>) = 0 [pid 6432] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... futex resumed>) = 0 [pid 6430] openat(AT_FDCWD, NULL, O_RDWR [pid 6429] <... futex resumed>) = 0 [pid 6428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] mkdirat(AT_FDCWD, NULL, 0777 [pid 6431] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6430] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... futex resumed>) = 0 [pid 6433] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6431] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... mmap resumed>) = 0x7f41a5370000 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 1 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6431] <... futex resumed>) = 0 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6429] <... futex resumed>) = 0 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6430] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] <... openat resumed>) = 4 [pid 6432] <... write resumed>) = 262144 [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] munmap(0x7f41a5370000, 138412032 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] <... futex resumed>) = 1 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... munmap resumed>) = 0 [pid 6431] openat(AT_FDCWD, NULL, O_RDWR [pid 6430] sendfile(-1, -1, NULL, 553647746 [pid 6429] <... futex resumed>) = 0 [pid 6426] <... futex resumed>) = 0 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6432] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6431] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6430] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6432] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 1 [pid 6428] <... write resumed>) = 262144 [pid 6431] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = 0 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] close(5 [pid 6431] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6430] memfd_create("syzkaller", 0 [pid 6429] <... futex resumed>) = 0 [pid 6428] munmap(0x7f41a5370000, 138412032 [pid 6425] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6433] openat(AT_FDCWD, NULL, O_RDWR [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... memfd_create resumed>) = 5 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6431] <... futex resumed>) = 0 [pid 6430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... mmap resumed>) = 0x7f41a5370000 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6428] <... munmap resumed>) = 0 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... futex resumed>) = 0 [pid 6432] <... close resumed>) = 0 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6426] <... futex resumed>) = 0 [pid 6431] sendfile(-1, -1, NULL, 553647746) = -1 EBADF (Bad file descriptor) [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6432] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6432] <... futex resumed>) = 1 [pid 6431] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6428] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6427] <... futex resumed>) = 0 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6433] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6432] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6428] close(5 [pid 6427] exit_group(0 [pid 6426] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] memfd_create("syzkaller", 0 [pid 6426] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... exit_group resumed>) = ? [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... futex resumed>) = ? [pid 6431] <... memfd_create resumed>) = 5 [pid 6429] <... futex resumed>) = 0 [pid 6426] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6433] sendfile(-1, -1, NULL, 553647746 [pid 6430] <... write resumed>) = 262144 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... mmap resumed>) = 0x7f41a5370000 [pid 6433] <... futex resumed>) = 0 [pid 6429] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6433] memfd_create("syzkaller", 0) = 5 [pid 6430] munmap(0x7f41a5370000, 138412032 [pid 6433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6430] <... munmap resumed>) = 0 [pid 6428] <... close resumed>) = 0 [pid 6428] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6428] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6432] +++ exited with 0 +++ [pid 6431] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6430] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6427] +++ exited with 0 +++ [pid 6424] exit_group(0 [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6427, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 6430] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6430] close(5 [pid 6424] <... exit_group resumed>) = ? [pid 6428] <... futex resumed>) = ? [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6431] <... write resumed>) = 262144 [pid 6428] +++ exited with 0 +++ [pid 6424] +++ exited with 0 +++ [pid 6433] <... write resumed>) = 262144 [pid 6431] munmap(0x7f41a5370000, 138412032 [pid 6430] <... close resumed>) = 0 [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6424, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6430] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6430] <... futex resumed>) = 1 [pid 6430] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] <... futex resumed>) = 0 [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6425] exit_group(0 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6433] munmap(0x7f41a5370000, 138412032 [pid 6431] <... munmap resumed>) = 0 [pid 6430] <... futex resumed>) = ? [pid 6425] <... exit_group resumed>) = ? [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6434 attached [pid 6433] <... munmap resumed>) = 0 [pid 6431] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6430] +++ exited with 0 +++ [pid 6433] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6434] set_robust_list(0x5555683327a0, 24 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6434 ci2-upstream-fs/strace-static-x86_64: Process 6435 attached [pid 6434] <... set_robust_list resumed>) = 0 [pid 6433] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6431] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6435] set_robust_list(0x5555683327a0, 24 [pid 6434] rt_sigprocmask(SIG_SETMASK, [] [pid 6433] close(5 [pid 6431] close(5 [pid 6425] +++ exited with 0 +++ [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6435 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6435] <... set_robust_list resumed>) = 0 [pid 6434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6425, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6435] rt_sigprocmask(SIG_SETMASK, [] [pid 6434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6433] <... close resumed>) = 0 [pid 6434] <... prctl resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6434] setpgid(0, 0 [pid 6435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6433] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... setpgid resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6429] <... futex resumed>) = 0 [pid 6433] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] exit_group(0 [pid 6433] <... futex resumed>) = ? [pid 6429] <... exit_group resumed>) = ? [pid 6435] <... prctl resumed>) = 0 [pid 6434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6435] setpgid(0, 0) = 0 [pid 6434] <... openat resumed>) = 3 [pid 6435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6434] write(3, "1000", 4 [pid 6433] +++ exited with 0 +++ [pid 6431] <... close resumed>) = 0 [pid 5603] <... restart_syscall resumed>) = 0 [pid 6434] <... write resumed>) = 4 [pid 6435] <... openat resumed>) = 3 [pid 6434] close(3) = 0 [pid 6429] +++ exited with 0 +++ [pid 6431] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6434] write(1, "executing program\n", 18 [pid 6435] write(3, "1000", 4 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6429, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6434] <... write resumed>) = 18 [pid 6431] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6435] <... write resumed>) = 4 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] exit_group(0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6435] close(3 [pid 6434] <... futex resumed>) = 0 [pid 6426] <... exit_group resumed>) = ? [pid 5609] <... restart_syscall resumed>) = 0 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6431] <... futex resumed>) = ? [pid 6435] <... close resumed>) = 0 [pid 6434] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6434] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6435] write(1, "executing program\n", 18 [pid 6434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6431] +++ exited with 0 +++ [pid 6426] +++ exited with 0 +++ executing program [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6435] <... write resumed>) = 18 [pid 6434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 6436 attached [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6426, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6434] <... mmap resumed>) = 0x7f41ad770000 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6436] set_robust_list(0x5555683327a0, 24 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6436 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] <... restart_syscall resumed>) = 0 [pid 6434] <... mprotect resumed>) = 0 [pid 6436] rt_sigprocmask(SIG_SETMASK, [] [pid 6435] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6435] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6434] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6434] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6436] <... prctl resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6437 attached [pid 6436] setpgid(0, 0 [pid 6435] <... mmap resumed>) = 0x7f41ad770000 [pid 6434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6438 attached [pid 6437] set_robust_list(0x5555683327a0, 24 [pid 6436] <... setpgid resumed>) = 0 [pid 6435] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6438] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6437] <... set_robust_list resumed>) = 0 [pid 6436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6435] <... mprotect resumed>) = 0 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6437 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6438] <... rseq resumed>) = 0 [pid 6437] rt_sigprocmask(SIG_SETMASK, [] [pid 6436] <... openat resumed>) = 3 [pid 6434] <... clone3 resumed> => {parent_tid=[6438]}, 88) = 6438 [pid 6438] set_robust_list(0x7f41ad7909a0, 24 [pid 6437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6436] write(3, "1000", 4 [pid 6435] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6434] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6438] <... set_robust_list resumed>) = 0 [pid 6437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6435] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6438] rt_sigprocmask(SIG_SETMASK, [] [pid 6437] <... prctl resumed>) = 0 [pid 6435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6436] <... write resumed>) = 4 [pid 6434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6440 attached ci2-upstream-fs/strace-static-x86_64: Process 6439 attached [pid 6438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6437] setpgid(0, 0 [pid 6436] close(3 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] set_robust_list(0x5555683327a0, 24 [pid 6439] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6438] memfd_create("syzkaller", 0 [pid 6437] <... setpgid resumed>) = 0 [pid 6436] <... close resumed>) = 0 [pid 6435] <... clone3 resumed> => {parent_tid=[6439]}, 88) = 6439 [pid 6434] <... futex resumed>) = 0 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6440 [pid 6440] <... set_robust_list resumed>) = 0 [pid 6439] <... rseq resumed>) = 0 [pid 6438] <... memfd_create resumed>) = 3 [pid 6437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6436] write(1, "executing program\n", 18 [pid 6435] rt_sigprocmask(SIG_SETMASK, [] [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6440] rt_sigprocmask(SIG_SETMASK, [] [pid 6439] set_robust_list(0x7f41ad7909a0, 24 [pid 6438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6437] <... openat resumed>) = 3 [pid 6436] <... write resumed>) = 18 [pid 6435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6439] <... set_robust_list resumed>) = 0 [pid 6438] <... mmap resumed>) = 0x7f41a5370000 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6439] rt_sigprocmask(SIG_SETMASK, [] [pid 6437] write(3, "1000", 4 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6440] <... prctl resumed>) = 0 [pid 6439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6440] setpgid(0, 0 [pid 6437] <... write resumed>) = 4 [pid 6436] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6440] <... setpgid resumed>) = 0 [pid 6439] memfd_create("syzkaller", 0 [pid 6437] close(3 [pid 6436] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6437] <... close resumed>) = 0 [pid 6439] <... memfd_create resumed>) = 3 [pid 6436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6437] write(1, "executing program\n", 18 [pid 6436] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 6440] <... openat resumed>) = 3 [pid 6437] <... write resumed>) = 18 [pid 6436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6440] write(3, "1000", 4 [pid 6439] <... mmap resumed>) = 0x7f41a5370000 [pid 6436] <... mmap resumed>) = 0x7f41ad770000 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... write resumed>) = 4 [pid 6437] <... futex resumed>) = 0 [pid 6436] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6440] close(3 [pid 6437] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6441 attached [pid 6441] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6437] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6440] <... close resumed>) = 0 [pid 6437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6441] <... rseq resumed>) = 0 [pid 6440] write(1, "executing program\n", 18 [pid 6437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6436] <... clone3 resumed> => {parent_tid=[6441]}, 88) = 6441 [pid 6441] set_robust_list(0x7f41ad7909a0, 24 [pid 6440] <... write resumed>) = 18 [pid 6437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6441] <... set_robust_list resumed>) = 0 executing program [pid 6436] rt_sigprocmask(SIG_SETMASK, [] [pid 6437] <... mmap resumed>) = 0x7f41ad770000 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] rt_sigprocmask(SIG_SETMASK, [] [pid 6437] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6437] <... mprotect resumed>) = 0 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] memfd_create("syzkaller", 0 [pid 6440] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6437] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6436] <... futex resumed>) = 0 [pid 6440] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6437] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6440] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6442 attached [pid 6441] <... memfd_create resumed>) = 3 [pid 6440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6442] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6442] <... rseq resumed>) = 0 [pid 6441] <... mmap resumed>) = 0x7f41a5370000 [pid 6442] set_robust_list(0x7f41ad7909a0, 24 [pid 6440] <... mmap resumed>) = 0x7f41ad770000 [pid 6439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6437] <... clone3 resumed> => {parent_tid=[6442]}, 88) = 6442 [pid 6440] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6437] rt_sigprocmask(SIG_SETMASK, [] [pid 6442] <... set_robust_list resumed>) = 0 [pid 6440] <... mprotect resumed>) = 0 [pid 6437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6442] rt_sigprocmask(SIG_SETMASK, [] [pid 6440] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6442] memfd_create("syzkaller", 0) = 3 [pid 6442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 6443 attached ) = 0x7f41a5370000 [pid 6443] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6440] <... clone3 resumed> => {parent_tid=[6443]}, 88) = 6443 [pid 6440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6443] <... rseq resumed>) = 0 [pid 6441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6443] set_robust_list(0x7f41ad7909a0, 24 [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6443] rt_sigprocmask(SIG_SETMASK, [] [pid 6440] <... futex resumed>) = 0 [pid 6443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6443] memfd_create("syzkaller", 0) = 3 [pid 6438] <... write resumed>) = 1048576 [pid 6443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6439] <... write resumed>) = 1048576 [pid 6438] munmap(0x7f41a5370000, 138412032 [pid 6439] munmap(0x7f41a5370000, 138412032 [pid 6442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6439] <... munmap resumed>) = 0 [pid 6438] <... munmap resumed>) = 0 [pid 6439] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6438] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6439] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6439] close(3 [pid 6438] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6438] close(3 [pid 6443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6441] <... write resumed>) = 1048576 [pid 6441] munmap(0x7f41a5370000, 138412032) = 0 [pid 6441] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6443] <... write resumed>) = 1048576 [pid 6442] <... write resumed>) = 1048576 [pid 6439] <... close resumed>) = 0 [pid 6438] <... close resumed>) = 0 [pid 6443] munmap(0x7f41a5370000, 138412032 [pid 6442] munmap(0x7f41a5370000, 138412032 [pid 6441] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... munmap resumed>) = 0 [pid 6442] <... munmap resumed>) = 0 [pid 6441] close(3 [pid 6439] <... futex resumed>) = 1 [pid 6438] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6442] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6442] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6438] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6443] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6442] close(3 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6443] close(3 [pid 6439] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6441] <... close resumed>) = 0 [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6439] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = 1 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6436] <... futex resumed>) = 0 [pid 6442] <... close resumed>) = 0 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] <... futex resumed>) = 1 [pid 6438] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6435] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... futex resumed>) = 1 [pid 6436] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... close resumed>) = 0 [pid 6442] <... futex resumed>) = 1 [pid 6441] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6439] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6439] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6437] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = 1 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 0 [pid 6438] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6442] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6441] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = 0 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6442] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... futex resumed>) = 1 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] <... futex resumed>) = 0 [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 0 [pid 6442] <... futex resumed>) = 1 [pid 6441] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6440] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... futex resumed>) = 1 [pid 6438] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6437] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6441] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = 0 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] <... futex resumed>) = 0 [pid 6442] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6442] <... futex resumed>) = 1 [pid 6441] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6440] <... futex resumed>) = 0 [pid 6438] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 0 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6441] <... futex resumed>) = 1 [pid 6436] <... futex resumed>) = 0 [pid 6442] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] <... futex resumed>) = 0 [pid 6441] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6436] <... futex resumed>) = 0 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] <... futex resumed>) = 0 [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 0 [pid 6441] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6440] <... futex resumed>) = 1 [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] <... futex resumed>) = 0 [pid 6443] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6441] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6438] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 1 [pid 6442] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 6442] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = 1 [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = 1 [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] mkdirat(AT_FDCWD, NULL, 0777 [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... futex resumed>) = 1 [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] <... futex resumed>) = 0 [pid 6439] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6438] mkdirat(AT_FDCWD, NULL, 0777 [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... futex resumed>) = 0 [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] mkdirat(AT_FDCWD, NULL, 0777 [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] <... futex resumed>) = 0 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6442] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6441] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 6441] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6438] <... openat resumed>) = 4 [pid 6436] <... futex resumed>) = 0 [pid 6439] <... openat resumed>) = 4 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] <... futex resumed>) = 1 [pid 6438] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] mkdirat(AT_FDCWD, NULL, 0777 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6438] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6442] <... futex resumed>) = 1 [pid 6441] <... openat resumed>) = 4 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6438] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6437] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 0 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] <... futex resumed>) = 0 [pid 6440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 1 [pid 6437] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... futex resumed>) = 0 [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] mkdirat(AT_FDCWD, NULL, 0777 [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = 0 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] openat(AT_FDCWD, NULL, O_RDWR [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6439] openat(AT_FDCWD, NULL, O_RDWR [pid 6438] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] <... openat resumed>) = 4 [pid 6442] <... futex resumed>) = 1 [pid 6441] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6437] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6436] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = 1 [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... openat resumed>) = 4 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = 0 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] openat(AT_FDCWD, NULL, O_RDWR [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6442] <... futex resumed>) = 0 [pid 6441] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6439] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6438] <... futex resumed>) = 0 [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] <... futex resumed>) = 0 [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 1 [pid 6442] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6441] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = 1 [pid 6438] sendfile(-1, -1, NULL, 553647746 [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] openat(AT_FDCWD, NULL, O_RDWR [pid 6442] openat(AT_FDCWD, NULL, O_RDWR [pid 6441] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6442] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6441] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] <... futex resumed>) = 0 [pid 6439] sendfile(-1, -1, NULL, 553647746 [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 1 [pid 6439] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 6442] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = 0 [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6439] memfd_create("syzkaller", 0 [pid 6438] memfd_create("syzkaller", 0 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6443] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] sendfile(-1, -1, NULL, 553647746 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6438] <... memfd_create resumed>) = 5 [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6442] <... futex resumed>) = 0 [pid 6441] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... memfd_create resumed>) = 5 [pid 6438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] sendfile(-1, -1, NULL, 553647746 [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 1 [pid 6442] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6438] <... mmap resumed>) = 0x7f41a5370000 [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6443] sendfile(-1, -1, NULL, 553647746 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] memfd_create("syzkaller", 0 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... mmap resumed>) = 0x7f41a5370000 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6443] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... memfd_create resumed>) = 5 [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6438] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6443] memfd_create("syzkaller", 0 [pid 6441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6440] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... memfd_create resumed>) = 5 [pid 6441] <... mmap resumed>) = 0x7f41a5370000 [pid 6440] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6440] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6437] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... mmap resumed>) = 0x7f41a5370000 [pid 6437] <... futex resumed>) = 1 [pid 6442] <... futex resumed>) = 0 [pid 6442] memfd_create("syzkaller", 0 [pid 6439] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6437] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6441] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6442] <... memfd_create resumed>) = 5 [pid 6442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6443] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6442] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6441] <... write resumed>) = 262144 [pid 6439] <... write resumed>) = 262144 [pid 6438] <... write resumed>) = 262144 [pid 6439] munmap(0x7f41a5370000, 138412032 [pid 6438] munmap(0x7f41a5370000, 138412032 [pid 6441] munmap(0x7f41a5370000, 138412032) = 0 [pid 6441] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6443] <... write resumed>) = 262144 [pid 6439] <... munmap resumed>) = 0 [pid 6438] <... munmap resumed>) = 0 [pid 6442] <... write resumed>) = 262144 [pid 6441] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6439] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6438] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6441] close(5 [pid 6438] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6439] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6443] munmap(0x7f41a5370000, 138412032 [pid 6442] munmap(0x7f41a5370000, 138412032 [pid 6443] <... munmap resumed>) = 0 [pid 6442] <... munmap resumed>) = 0 [pid 6439] close(5 [pid 6438] close(5 [pid 6442] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6443] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6442] close(5 [pid 6441] <... close resumed>) = 0 [pid 6443] close(5 [pid 6441] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6439] <... close resumed>) = 0 [pid 6438] <... close resumed>) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6441] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] exit_group(0 [pid 6442] <... close resumed>) = 0 [pid 6441] <... futex resumed>) = ? [pid 6439] <... futex resumed>) = 1 [pid 6438] <... futex resumed>) = 1 [pid 6436] <... exit_group resumed>) = ? [pid 6435] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6443] <... close resumed>) = 0 [pid 6442] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] +++ exited with 0 +++ [pid 6439] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] exit_group(0 [pid 6434] exit_group(0 [pid 6442] <... futex resumed>) = 1 [pid 6437] <... futex resumed>) = 0 [pid 6434] <... exit_group resumed>) = ? [pid 6438] <... futex resumed>) = ? [pid 6443] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] <... futex resumed>) = ? [pid 6437] exit_group(0 [pid 6436] +++ exited with 0 +++ [pid 6435] <... exit_group resumed>) = ? [pid 6438] +++ exited with 0 +++ [pid 6434] +++ exited with 0 +++ [pid 6443] <... futex resumed>) = 1 [pid 6442] <... futex resumed>) = ? [pid 6440] <... futex resumed>) = 0 [pid 6439] +++ exited with 0 +++ [pid 6437] <... exit_group resumed>) = ? [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6434, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6443] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] +++ exited with 0 +++ [pid 6440] exit_group(0 [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6436, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6443] <... futex resumed>) = ? [pid 6440] <... exit_group resumed>) = ? [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6435] +++ exited with 0 +++ [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6435, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6437] +++ exited with 0 +++ [pid 5603] <... restart_syscall resumed>) = 0 [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6437, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6443] +++ exited with 0 +++ [pid 6440] +++ exited with 0 +++ [pid 5605] <... restart_syscall resumed>) = 0 [pid 5609] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5609] <... restart_syscall resumed>) = 0 [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6440, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[]ci2-upstream-fs/strace-static-x86_64: Process 6444 attached [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6444] set_robust_list(0x5555683327a0, 24 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6444] <... set_robust_list resumed>) = 0 [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6444 [pid 6444] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6446 attached ci2-upstream-fs/strace-static-x86_64: Process 6445 attached [pid 6444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6446] set_robust_list(0x5555683327a0, 24 [pid 6445] set_robust_list(0x5555683327a0, 24 [pid 6444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6445 [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6446 ci2-upstream-fs/strace-static-x86_64: Process 6447 attached [pid 6446] <... set_robust_list resumed>) = 0 [pid 6445] <... set_robust_list resumed>) = 0 [pid 6444] <... prctl resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6447 [pid 6447] set_robust_list(0x5555683327a0, 24 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6445] rt_sigprocmask(SIG_SETMASK, [] [pid 6444] setpgid(0, 0ci2-upstream-fs/strace-static-x86_64: Process 6448 attached [pid 6448] set_robust_list(0x5555683327a0, 24 [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6448 [pid 6446] rt_sigprocmask(SIG_SETMASK, [] [pid 6448] <... set_robust_list resumed>) = 0 [pid 6445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6444] <... setpgid resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6448] rt_sigprocmask(SIG_SETMASK, [] [pid 6447] <... set_robust_list resumed>) = 0 [pid 6446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6447] rt_sigprocmask(SIG_SETMASK, [] [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6445] <... prctl resumed>) = 0 [pid 6444] <... openat resumed>) = 3 [pid 6448] <... prctl resumed>) = 0 [pid 6445] setpgid(0, 0 [pid 6448] setpgid(0, 0 [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6446] <... prctl resumed>) = 0 [pid 6445] <... setpgid resumed>) = 0 [pid 6447] <... prctl resumed>) = 0 [pid 6446] setpgid(0, 0 [pid 6448] <... setpgid resumed>) = 0 [pid 6445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6447] setpgid(0, 0 [pid 6446] <... setpgid resumed>) = 0 [pid 6444] write(3, "1000", 4 [pid 6448] <... openat resumed>) = 3 [pid 6448] write(3, "1000", 4 [pid 6447] <... setpgid resumed>) = 0 [pid 6446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6445] <... openat resumed>) = 3 [pid 6444] <... write resumed>) = 4 [pid 6448] <... write resumed>) = 4 [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6446] <... openat resumed>) = 3 [pid 6445] write(3, "1000", 4 [pid 6444] close(3 [pid 6448] close(3 [pid 6447] <... openat resumed>) = 3 [pid 6446] write(3, "1000", 4 [pid 6445] <... write resumed>) = 4 [pid 6444] <... close resumed>) = 0 [pid 6448] <... close resumed>) = 0 [pid 6447] write(3, "1000", 4 [pid 6446] <... write resumed>) = 4 [pid 6445] close(3 executing program [pid 6444] write(1, "executing program\n", 18 [pid 6448] write(1, "executing program\n", 18 [pid 6447] <... write resumed>) = 4 executing program [pid 6446] close(3 [pid 6445] <... close resumed>) = 0 [pid 6444] <... write resumed>) = 18 [pid 6448] <... write resumed>) = 18 [pid 6447] close(3 [pid 6446] <... close resumed>) = 0 [pid 6445] write(1, "executing program\n", 18 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... close resumed>) = 0 executing program [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] write(1, "executing program\n", 18 [pid 6445] <... write resumed>) = 18 executing program [pid 6444] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = 0 [pid 6447] write(1, "executing program\n", 18 [pid 6446] <... write resumed>) = 18 [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6444] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6448] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6447] <... write resumed>) = 18 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6448] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... futex resumed>) = 0 [pid 6445] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6447] <... futex resumed>) = 0 [pid 6446] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6447] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6446] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6445] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6447] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6448] <... mmap resumed>) = 0x7f41ad770000 [pid 6447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6444] <... mmap resumed>) = 0x7f41ad770000 [pid 6448] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6444] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6448] <... mprotect resumed>) = 0 [pid 6447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6446] <... mmap resumed>) = 0x7f41ad770000 [pid 6445] <... mmap resumed>) = 0x7f41ad770000 [pid 6444] <... mprotect resumed>) = 0 [pid 6448] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6446] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6445] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6444] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6447] <... mmap resumed>) = 0x7f41ad770000 [pid 6448] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6447] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6446] <... mprotect resumed>) = 0 [pid 6445] <... mprotect resumed>) = 0 [pid 6444] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6447] <... mprotect resumed>) = 0 [pid 6446] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6445] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6449 attached [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6449] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6447] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6446] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6449] <... rseq resumed>) = 0 [pid 6448] <... clone3 resumed> => {parent_tid=[6449]}, 88) = 6449 [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6445] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6449] set_robust_list(0x7f41ad7909a0, 24 [pid 6448] rt_sigprocmask(SIG_SETMASK, [] [pid 6446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6450 attached [pid 6449] <... set_robust_list resumed>) = 0 [pid 6448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6449] rt_sigprocmask(SIG_SETMASK, [] [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6448] <... futex resumed>) = 0 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6444] <... clone3 resumed> => {parent_tid=[6450]}, 88) = 6450 ci2-upstream-fs/strace-static-x86_64: Process 6452 attached ci2-upstream-fs/strace-static-x86_64: Process 6453 attached ci2-upstream-fs/strace-static-x86_64: Process 6451 attached [pid 6450] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6449] memfd_create("syzkaller", 0 [pid 6452] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6453] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6451] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6450] <... rseq resumed>) = 0 [pid 6449] <... memfd_create resumed>) = 3 [pid 6447] <... clone3 resumed> => {parent_tid=[6451]}, 88) = 6451 [pid 6446] <... clone3 resumed> => {parent_tid=[6452]}, 88) = 6452 [pid 6445] <... clone3 resumed> => {parent_tid=[6453]}, 88) = 6453 [pid 6444] rt_sigprocmask(SIG_SETMASK, [] [pid 6452] <... rseq resumed>) = 0 [pid 6453] <... rseq resumed>) = 0 [pid 6451] <... rseq resumed>) = 0 [pid 6450] set_robust_list(0x7f41ad7909a0, 24 [pid 6449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6447] rt_sigprocmask(SIG_SETMASK, [] [pid 6446] rt_sigprocmask(SIG_SETMASK, [] [pid 6445] rt_sigprocmask(SIG_SETMASK, [] [pid 6444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6452] set_robust_list(0x7f41ad7909a0, 24 [pid 6453] set_robust_list(0x7f41ad7909a0, 24 [pid 6451] set_robust_list(0x7f41ad7909a0, 24 [pid 6450] <... set_robust_list resumed>) = 0 [pid 6449] <... mmap resumed>) = 0x7f41a5370000 [pid 6447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... set_robust_list resumed>) = 0 [pid 6453] <... set_robust_list resumed>) = 0 [pid 6451] <... set_robust_list resumed>) = 0 [pid 6450] rt_sigprocmask(SIG_SETMASK, [] [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] rt_sigprocmask(SIG_SETMASK, [] [pid 6444] <... futex resumed>) = 0 [pid 6451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6452] rt_sigprocmask(SIG_SETMASK, [] [pid 6453] rt_sigprocmask(SIG_SETMASK, [] [pid 6451] memfd_create("syzkaller", 0 [pid 6450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6451] <... memfd_create resumed>) = 3 [pid 6450] memfd_create("syzkaller", 0 [pid 6445] <... futex resumed>) = 0 [pid 6452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6453] memfd_create("syzkaller", 0 [pid 6451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6450] <... memfd_create resumed>) = 3 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6452] memfd_create("syzkaller", 0 [pid 6453] <... memfd_create resumed>) = 3 [pid 6451] <... mmap resumed>) = 0x7f41a5370000 [pid 6450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6450] <... mmap resumed>) = 0x7f41a5370000 [pid 6452] <... memfd_create resumed>) = 3 [pid 6453] <... mmap resumed>) = 0x7f41a5370000 [pid 6452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6451] <... write resumed>) = 1048576 [pid 6451] munmap(0x7f41a5370000, 138412032 [pid 6452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6451] <... munmap resumed>) = 0 [pid 6453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6451] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6451] close(3) = 0 [pid 6449] <... write resumed>) = 1048576 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6447] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6449] munmap(0x7f41a5370000, 138412032 [pid 6451] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... munmap resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6451] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6449] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6447] <... futex resumed>) = 0 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... write resumed>) = 1048576 [pid 6453] <... write resumed>) = 1048576 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] <... write resumed>) = 1048576 [pid 6449] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6447] <... futex resumed>) = 0 [pid 6452] munmap(0x7f41a5370000, 138412032 [pid 6453] munmap(0x7f41a5370000, 138412032 [pid 6451] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6450] munmap(0x7f41a5370000, 138412032 [pid 6449] close(3 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] <... munmap resumed>) = 0 [pid 6451] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... munmap resumed>) = 0 [pid 6450] <... munmap resumed>) = 0 [pid 6453] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6452] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6453] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6452] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6453] close(3 [pid 6451] <... futex resumed>) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6452] close(3 [pid 6451] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6450] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] close(3 [pid 6447] <... futex resumed>) = 0 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6447] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] <... close resumed>) = 0 [pid 6451] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6449] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] mkdirat(AT_FDCWD, NULL, 0777 [pid 6449] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6448] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... close resumed>) = 0 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... close resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... futex resumed>) = 1 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... futex resumed>) = 1 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6453] <... close resumed>) = 0 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6451] <... openat resumed>) = 4 [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6446] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = 1 [pid 6445] <... futex resumed>) = 0 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = 1 [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6452] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... futex resumed>) = 1 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = 1 [pid 6451] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6450] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6452] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... futex resumed>) = 1 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = 1 [pid 6453] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6449] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] openat(AT_FDCWD, NULL, O_RDWR [pid 6450] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = 1 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... futex resumed>) = 0 [pid 6451] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... futex resumed>) = 1 [pid 6450] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... futex resumed>) = 0 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6447] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6450] <... futex resumed>) = 0 [pid 6449] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = 1 [pid 6451] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6450] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6452] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... futex resumed>) = 1 [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... futex resumed>) = 1 [pid 6453] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] sendfile(-1, -1, NULL, 553647746 [pid 6450] <... futex resumed>) = 1 [pid 6449] mkdirat(AT_FDCWD, NULL, 0777 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6453] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [pid 6450] mkdirat(AT_FDCWD, NULL, 0777 [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6452] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6453] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6453] <... futex resumed>) = 1 [pid 6451] memfd_create("syzkaller", 0 [pid 6450] <... futex resumed>) = 1 [pid 6449] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... memfd_create resumed>) = 5 [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] <... openat resumed>) = 4 [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] mkdirat(AT_FDCWD, NULL, 0777 [pid 6453] mkdirat(AT_FDCWD, NULL, 0777 [pid 6451] <... mmap resumed>) = 0x7f41a5370000 [pid 6450] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6453] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6451] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6450] <... openat resumed>) = 4 [pid 6449] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6448] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6453] <... futex resumed>) = 1 [pid 6450] <... futex resumed>) = 1 [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... write resumed>) = 262144 [pid 6450] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... openat resumed>) = 4 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] munmap(0x7f41a5370000, 138412032 [pid 6450] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6451] <... munmap resumed>) = 0 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... futex resumed>) = 0 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... futex resumed>) = 0 [pid 6453] <... openat resumed>) = 4 [pid 6451] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6449] openat(AT_FDCWD, NULL, O_RDWR [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6450] <... futex resumed>) = 0 [pid 6449] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = 1 [pid 6451] close(5 [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... futex resumed>) = 0 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = 0 [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 1 [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6452] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... close resumed>) = 0 [pid 6450] openat(AT_FDCWD, NULL, O_RDWR [pid 6449] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... futex resumed>) = 0 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6451] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... futex resumed>) = 0 [pid 6453] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6449] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6447] exit_group(0 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... futex resumed>) = 0 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = 0 [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... exit_group resumed>) = ? [pid 6451] <... futex resumed>) = ? [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = 1 [pid 6453] openat(AT_FDCWD, NULL, O_RDWR [pid 6450] <... futex resumed>) = 1 [pid 6449] sendfile(-1, -1, NULL, 553647746 [pid 6448] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] +++ exited with 0 +++ [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6447] +++ exited with 0 +++ [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] <... futex resumed>) = 0 [pid 6452] openat(AT_FDCWD, NULL, O_RDWR [pid 6453] <... futex resumed>) = 0 [pid 6450] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6449] <... futex resumed>) = 0 [pid 6448] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6447, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6452] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6453] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6450] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6449] memfd_create("syzkaller", 0 [pid 6448] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 5602] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... memfd_create resumed>) = 5 [pid 6448] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... restart_syscall resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... futex resumed>) = 1 [pid 6449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] <... futex resumed>) = 0 [pid 6452] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6453] <... futex resumed>) = 0 [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] <... mmap resumed>) = 0x7f41a5370000 [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6453] sendfile(-1, -1, NULL, 553647746 [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6446] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] sendfile(-1, -1, NULL, 553647746 [pid 6449] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6445] <... futex resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6452] <... futex resumed>) = 0 [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... futex resumed>) = 0 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... futex resumed>) = 0 [pid 6449] <... write resumed>) = 262144 [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6452] <... futex resumed>) = 0 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] memfd_create("syzkaller", 0 [pid 6449] munmap(0x7f41a5370000, 138412032 [pid 6446] <... futex resumed>) = 1 [pid 6445] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6452] sendfile(-1, -1, NULL, 553647746 [pid 6453] memfd_create("syzkaller", 0 [pid 6450] <... memfd_create resumed>) = 5 [pid 6444] <... futex resumed>) = 0 [pid 6452] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... memfd_create resumed>) = 5 [pid 6449] <... munmap resumed>) = 0 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6444] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6449] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... futex resumed>) = 0 [pid 6453] <... mmap resumed>) = 0x7f41a5370000 [pid 6450] <... mmap resumed>) = 0x7f41a5370000 [pid 6446] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] memfd_create("syzkaller", 0 [pid 6449] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6446] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6455 attached [pid 6449] close(5 [pid 6452] <... memfd_create resumed>) = 5 [pid 6446] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a5370000 [pid 6455] set_robust_list(0x5555683327a0, 24 [pid 6453] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6450] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5602] <... clone resumed>, child_tidptr=0x555568332790) = 6455 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6449] <... close resumed>) = 0 [pid 5602] rt_sigprocmask(SIG_SETMASK, [] [pid 6455] rt_sigprocmask(SIG_SETMASK, [] [pid 6449] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6452] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6449] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6453] <... write resumed>) = 262144 [pid 6450] <... write resumed>) = 262144 [pid 6449] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] exit_group(0 [pid 6455] <... prctl resumed>) = 0 [pid 6453] munmap(0x7f41a5370000, 138412032 [pid 6449] <... futex resumed>) = ? [pid 6448] <... exit_group resumed>) = ? [pid 6455] setpgid(0, 0 [pid 6453] <... munmap resumed>) = 0 [pid 6449] +++ exited with 0 +++ [pid 6455] <... setpgid resumed>) = 0 [pid 6453] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6450] munmap(0x7f41a5370000, 138412032 [pid 6455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6452] <... write resumed>) = 262144 [pid 6453] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6450] <... munmap resumed>) = 0 [pid 6448] +++ exited with 0 +++ [pid 6453] close(5 [pid 6450] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6448, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6455] <... openat resumed>) = 3 [pid 6452] munmap(0x7f41a5370000, 138412032 [pid 6450] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6455] write(3, "1000", 4 [pid 6452] <... munmap resumed>) = 0 [pid 6453] <... close resumed>) = 0 [pid 6450] close(5 [pid 6455] <... write resumed>) = 4 [pid 6453] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] close(3) = 0 [pid 6453] <... futex resumed>) = 1 [pid 6445] <... futex resumed>) = 0 [pid 6455] write(1, "executing program\n", 18 [pid 6453] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 6445] exit_group(0 [pid 6455] <... write resumed>) = 18 [pid 6452] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6453] <... futex resumed>) = ? [pid 6445] <... exit_group resumed>) = ? [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6450] <... close resumed>) = 0 [pid 6452] close(5 [pid 6455] <... futex resumed>) = 0 [pid 6450] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... restart_syscall resumed>) = 0 [pid 6455] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6453] +++ exited with 0 +++ [pid 6450] <... futex resumed>) = 1 [pid 6445] +++ exited with 0 +++ [pid 6444] <... futex resumed>) = 0 [pid 6455] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6450] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] exit_group(0 [pid 6455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6452] <... close resumed>) = 0 [pid 6450] <... futex resumed>) = ? [pid 6444] <... exit_group resumed>) = ? [pid 5609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6445, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6452] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41ad770000 [pid 6452] <... futex resumed>) = 1 [pid 5609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6455] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6452] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6455] <... mprotect resumed>) = 0 [pid 6450] +++ exited with 0 +++ [pid 6446] exit_group(0 [pid 6444] +++ exited with 0 +++ [pid 5609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6455] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6452] <... futex resumed>) = ? [pid 6446] <... exit_group resumed>) = ? [pid 5609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6444, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5601] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6456 attached [pid 6455] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6452] +++ exited with 0 +++ [pid 5603] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6456] set_robust_list(0x5555683327a0, 24 [pid 6455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 5603] <... restart_syscall resumed>) = 0 [pid 5601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6456] <... set_robust_list resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 6458 attached ci2-upstream-fs/strace-static-x86_64: Process 6457 attached [pid 6456] rt_sigprocmask(SIG_SETMASK, [] [pid 6458] set_robust_list(0x5555683327a0, 24 [pid 6457] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6458] <... set_robust_list resumed>) = 0 [pid 6457] <... rseq resumed>) = 0 [pid 6456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6455] <... clone3 resumed> => {parent_tid=[6457]}, 88) = 6457 [pid 6446] +++ exited with 0 +++ [pid 6457] set_robust_list(0x7f41ad7909a0, 24 [pid 6456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6457] <... set_robust_list resumed>) = 0 [pid 6455] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6457] rt_sigprocmask(SIG_SETMASK, [] [pid 6456] <... prctl resumed>) = 0 [pid 6455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6458] rt_sigprocmask(SIG_SETMASK, [] [pid 6457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6456] setpgid(0, 0 [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... clone resumed>, child_tidptr=0x555568332790) = 6456 [pid 5603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... clone resumed>, child_tidptr=0x555568332790) = 6458 [pid 6458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6457] memfd_create("syzkaller", 0 [pid 6456] <... setpgid resumed>) = 0 [pid 6455] <... futex resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6446, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5601] rt_sigprocmask(SIG_SETMASK, [] [pid 6457] <... memfd_create resumed>) = 3 [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5605] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 6458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... restart_syscall resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6458] <... prctl resumed>) = 0 [pid 6457] <... mmap resumed>) = 0x7f41a5370000 [pid 6456] <... openat resumed>) = 3 [pid 5603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6458] setpgid(0, 0 [pid 5605] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) ci2-upstream-fs/strace-static-x86_64: Process 6459 attached [pid 6458] <... setpgid resumed>) = 0 [pid 6457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6456] write(3, "1000", 4 [pid 6458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... clone resumed>, child_tidptr=0x555568332790) = 6459 [pid 6459] set_robust_list(0x5555683327a0, 24) = 0 [pid 6458] <... openat resumed>) = 3 [pid 6456] <... write resumed>) = 4 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 6459] rt_sigprocmask(SIG_SETMASK, [] [pid 6458] write(3, "1000", 4 [pid 6456] close(3 [pid 5605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6458] <... write resumed>) = 4 [pid 6456] <... close resumed>) = 0 [pid 6459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6458] close(3 [pid 6456] write(1, "executing program\n", 18 executing program [pid 5605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6459] <... prctl resumed>) = 0 [pid 6458] <... close resumed>) = 0 [pid 6456] <... write resumed>) = 18 ci2-upstream-fs/strace-static-x86_64: Process 6460 attached [pid 6459] setpgid(0, 0 [pid 6458] write(1, "executing program\n", 18 executing program [pid 6456] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] set_robust_list(0x5555683327a0, 24 [pid 6459] <... setpgid resumed>) = 0 [pid 6458] <... write resumed>) = 18 [pid 6460] <... set_robust_list resumed>) = 0 [pid 6459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6458] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... futex resumed>) = 0 [pid 6460] rt_sigprocmask(SIG_SETMASK, [] [pid 6456] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180}, NULL, 8) = 0 [pid 6460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6459] <... openat resumed>) = 3 [pid 6458] <... futex resumed>) = 0 [pid 6456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] write(3, "1000", 4 [pid 6458] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 5605] <... clone resumed>, child_tidptr=0x555568332790) = 6460 [pid 6460] <... prctl resumed>) = 0 [pid 6459] <... write resumed>) = 4 [pid 6456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 6460] setpgid(0, 0 [pid 6459] close(3 [pid 6458] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6456] <... mmap resumed>) = 0x7f41ad770000 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6460] <... setpgid resumed>) = 0 [pid 6459] <... close resumed>) = 0 [pid 6458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6456] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6459] write(1, "executing program\n", 18 [pid 6458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6456] <... mprotect resumed>) = 0 [pid 6459] <... write resumed>) = 18 executing program [pid 6458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6460] <... openat resumed>) = 3 [pid 6459] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... mmap resumed>) = 0x7f41ad770000 [pid 6457] <... write resumed>) = 1048576 [pid 6456] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6460] write(3, "1000", 4 [pid 6459] <... futex resumed>) = 0 [pid 6458] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6457] munmap(0x7f41a5370000, 138412032 [pid 6456] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6460] <... write resumed>) = 4 [pid 6458] <... mprotect resumed>) = 0 [pid 6460] close(3 [pid 6459] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6460] <... close resumed>) = 0 [pid 6459] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6458] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6457] <... munmap resumed>) = 0 [pid 6456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0}ci2-upstream-fs/strace-static-x86_64: Process 6461 attached [pid 6460] write(1, "executing program\n", 18 [pid 6459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6458] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6457] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6461] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6459] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program ci2-upstream-fs/strace-static-x86_64: Process 6462 attached [pid 6461] <... rseq resumed>) = 0 [pid 6460] <... write resumed>) = 18 [pid 6459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6457] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6456] <... clone3 resumed> => {parent_tid=[6461]}, 88) = 6461 [pid 6462] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6461] set_robust_list(0x7f41ad7909a0, 24 [pid 6460] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... mmap resumed>) = 0x7f41ad770000 [pid 6458] <... clone3 resumed> => {parent_tid=[6462]}, 88) = 6462 [pid 6456] rt_sigprocmask(SIG_SETMASK, [] [pid 6462] <... rseq resumed>) = 0 [pid 6461] <... set_robust_list resumed>) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6459] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6458] rt_sigprocmask(SIG_SETMASK, [] [pid 6457] close(3 [pid 6456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6462] set_robust_list(0x7f41ad7909a0, 24 [pid 6461] rt_sigprocmask(SIG_SETMASK, [] [pid 6460] rt_sigaction(SIGRT_1, {sa_handler=0x7f41ad7d8290, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41ad7a8180} [pid 6459] <... mprotect resumed>) = 0 [pid 6458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6456] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6460] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 6459] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6458] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... futex resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [] [pid 6461] memfd_create("syzkaller", 0 [pid 6460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 6459] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6458] <... futex resumed>) = 0 [pid 6456] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6461] <... memfd_create resumed>) = 3 [pid 6460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6458] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 6463 attached [pid 6462] memfd_create("syzkaller", 0 [pid 6461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6457] <... close resumed>) = 0 [pid 6463] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6462] <... memfd_create resumed>) = 3 [pid 6461] <... mmap resumed>) = 0x7f41a5370000 [pid 6460] <... mmap resumed>) = 0x7f41ad770000 [pid 6459] <... clone3 resumed> => {parent_tid=[6463]}, 88) = 6463 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... rseq resumed>) = 0 [pid 6462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6457] <... futex resumed>) = 1 [pid 6455] <... futex resumed>) = 0 [pid 6457] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000 [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] set_robust_list(0x7f41ad7909a0, 24 [pid 6462] <... mmap resumed>) = 0x7f41a5370000 [pid 6460] mprotect(0x7f41ad771000, 131072, PROT_READ|PROT_WRITE [pid 6459] rt_sigprocmask(SIG_SETMASK, [] [pid 6457] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 6455] <... futex resumed>) = 0 [pid 6459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6463] <... set_robust_list resumed>) = 0 [pid 6460] <... mprotect resumed>) = 0 [pid 6459] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] rt_sigprocmask(SIG_SETMASK, [] [pid 6460] rt_sigprocmask(SIG_BLOCK, ~[] [pid 6459] <... futex resumed>) = 0 [pid 6457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] <... futex resumed>) = 0 [pid 6460] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 6459] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6457] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6457] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6455] <... futex resumed>) = 0 [pid 6457] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] <... futex resumed>) = 0 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] ioctl(-1, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x200000000140) = -1 EBADF (Bad file descriptor) [pid 6463] memfd_create("syzkaller", 0 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6455] <... futex resumed>) = 0 [pid 6463] <... memfd_create resumed>) = 3 [pid 6460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41ad790990, parent_tid=0x7f41ad790990, exit_signal=0, stack=0x7f41ad770000, stack_size=0x20200, tls=0x7f41ad7906c0} [pid 6457] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6457] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 6455] <... futex resumed>) = 0 [pid 6457] <... mmap resumed>) = -1 EBADF (Bad file descriptor) ci2-upstream-fs/strace-static-x86_64: Process 6464 attached [pid 6463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 6463] <... mmap resumed>) = 0x7f41a5370000 [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6464] <... rseq resumed>) = 0 [pid 6457] io_uring_setup(30971, {flags=IORING_SETUP_CQSIZE, sq_thread_cpu=0x2, sq_thread_idle=505 [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] set_robust_list(0x7f41ad7909a0, 24) = 0 [pid 6460] <... clone3 resumed> => {parent_tid=[6464]}, 88) = 6464 [pid 6457] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 6455] <... futex resumed>) = 0 [pid 6464] rt_sigprocmask(SIG_SETMASK, [] [pid 6460] rt_sigprocmask(SIG_SETMASK, [] [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6464] memfd_create("syzkaller", 0 [pid 6460] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] mkdirat(AT_FDCWD, NULL, 0777 [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... futex resumed>) = 0 [pid 6464] <... memfd_create resumed>) = 3 [pid 6457] <... mkdirat resumed>) = -1 EFAULT (Bad address) [pid 6455] <... futex resumed>) = 0 [pid 6464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6461] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... mmap resumed>) = 0x7f41a5370000 [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] openat(AT_FDCWD, ".", O_RDONLY|O_NOATIME [pid 6464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 6460] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6457] <... openat resumed>) = 4 [pid 6455] <... futex resumed>) = 0 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6457] io_uring_enter(3, 0, 2, IORING_ENTER_GETEVENTS|IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, {sigmask=0x2000000, sigmask_sz=0, min_wait_usec=0, ts=NULL}, 24 [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... io_uring_enter resumed>) = -1 EINVAL (Invalid argument) [pid 6455] <... futex resumed>) = 0 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] <... futex resumed>) = 0 [pid 6457] futex(0x7f41ad86be48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = 1 [pid 6457] openat(AT_FDCWD, NULL, O_RDWR) = -1 EFAULT (Bad address) [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6455] <... futex resumed>) = 0 [pid 6457] epoll_ctl(-1, EPOLL_CTL_MOD, -1, NULL [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... epoll_ctl resumed>) = -1 EFAULT (Bad address) [pid 6455] <... futex resumed>) = 0 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6457] sendfile(-1, -1, NULL, 553647746 [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 6455] <... futex resumed>) = 0 [pid 6457] futex(0x7f41ad86be4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6457] memfd_create("syzkaller", 0 [pid 6455] futex(0x7f41ad86be48, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... memfd_create resumed>) = 5 [pid 6455] <... futex resumed>) = 0 [pid 6457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6455] futex(0x7f41ad86be4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6457] <... mmap resumed>) = 0x7f41a5370000 [ 116.023307][ T2015] ------------[ cut here ]------------ [ 116.023361][ T2015] kernel BUG at fs/ext4/inode.c:2816! [ 116.037178][ T2015] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 116.043563][ T2015] CPU: 1 UID: 0 PID: 2015 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 116.053645][ T2015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 116.063717][ T2015] Workqueue: writeback wb_workfn (flush-7:4) [pid 6457] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6462] <... write resumed>) = 1048576 [pid 6464] <... write resumed>) = 1048576 [pid 6463] <... write resumed>) = 1048576 [pid 6462] munmap(0x7f41a5370000, 138412032 [pid 6457] <... write resumed>) = 262144 [pid 6464] munmap(0x7f41a5370000, 138412032 [ 116.069763][ T2015] RIP: 0010:ext4_do_writepages+0x476b/0x4770 [ 116.075886][ T2015] Code: c6 20 5d 85 8b e8 95 f6 a1 fe 90 0f 0b e8 9d a8 40 ff 4c 89 f7 48 c7 c6 00 62 85 8b e8 7e f6 a1 fe 90 0f 0b e8 86 a8 40 ff 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f [ 116.095489][ T2015] RSP: 0000:ffffc90007c1ec60 EFLAGS: 00010293 [ 116.101575][ T2015] RAX: ffffffff8285d13a RBX: 0000004210000000 RCX: ffff88802bb61f40 [ 116.109680][ T2015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 116.117649][ T2015] RBP: ffffc90007c1f070 R08: 0000000000000000 R09: 0000000000000000 [ 116.125706][ T2015] R10: dffffc0000000000 R11: ffffed1007b6ccbc R12: ffff88804593d2c0 [ 116.133840][ T2015] R13: dffffc0000000000 R14: 0000004000000000 R15: ffff88803db66838 [ 116.141800][ T2015] FS: 0000000000000000(0000) GS:ffff888125cd5000(0000) knlGS:0000000000000000 [ 116.151251][ T2015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.157947][ T2015] CR2: 00007f41a53f1000 CR3: 000000003b918000 CR4: 00000000003526f0 [ 116.165948][ T2015] Call Trace: [ 116.169241][ T2015] [ 116.172178][ T2015] ? __lock_acquire+0x6df/0x2e40 [ 116.177148][ T2015] ? __pfx_lru_add+0x10/0x10 [ 116.181741][ T2015] ? do_raw_spin_lock+0x12b/0x2f0 [ 116.186852][ T2015] ? look_up_lock_class+0x57/0x110 [ 116.191962][ T2015] ? register_lock_class+0x31/0x2e0 [ 116.197235][ T2015] ? __pfx_ext4_do_writepages+0x10/0x10 [ 116.202781][ T2015] ? __lock_acquire+0x6df/0x2e40 [ 116.207715][ T2015] ? try_to_take_rt_mutex+0x842/0xb00 [ 116.213079][ T2015] ? lock_acquire+0x115/0x350 [ 116.218024][ T2015] ext4_writepages+0x241/0x3b0 [ 116.222794][ T2015] ? __pfx_ext4_writepages+0x10/0x10 [ 116.228087][ T2015] ? __pfx_ext4_writepages+0x10/0x10 [ 116.233487][ T2015] do_writepages+0x338/0x560 [ 116.238090][ T2015] ? rt_spin_unlock+0x159/0x200 [ 116.243034][ T2015] __writeback_single_inode+0x136/0x1230 [ 116.248697][ T2015] ? wbc_attach_and_unlock_inode+0x3f1/0x5d0 [ 116.254783][ T2015] writeback_sb_inodes+0x9db/0x1ab0 [ 116.260295][ T2015] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 116.266330][ T2015] ? __pfx_down_read_trylock+0x10/0x10 [ 116.271879][ T2015] ? __writeback_inodes_wb+0x123/0x240 [ 116.277348][ T2015] __writeback_inodes_wb+0x114/0x240 [ 116.282653][ T2015] wb_writeback+0x42f/0xad0 [ 116.287160][ T2015] ? queue_io+0x291/0x450 [ 116.291504][ T2015] ? __pfx_wb_writeback+0x10/0x10 [ 116.296529][ T2015] wb_workfn+0xc98/0x10f0 [ 116.300853][ T2015] ? __pfx_wb_workfn+0x10/0x10 [ 116.305613][ T2015] ? update_protect_slice+0x128/0x210 [ 116.311078][ T2015] ? lock_acquire+0x115/0x350 [ 116.316380][ T2015] ? rcu_is_watching+0x16/0xb0 [ 116.321158][ T2015] ? process_scheduled_works+0x97a/0x1630 [ 116.326882][ T2015] process_scheduled_works+0xc3d/0x1630 [ 116.332708][ T2015] ? __pfx_process_scheduled_works+0x10/0x10 [ 116.338804][ T2015] ? assign_work+0x3cf/0x5d0 [ 116.343407][ T2015] worker_thread+0xa47/0xfb0 [ 116.348004][ T2015] kthread+0x38b/0x470 [ 116.352085][ T2015] ? __pfx_worker_thread+0x10/0x10 [ 116.357275][ T2015] ? __pfx_kthread+0x10/0x10 [ 116.361853][ T2015] ret_from_fork+0x514/0xb70 [ 116.366430][ T2015] ? __pfx_ret_from_fork+0x10/0x10 [pid 6463] munmap(0x7f41a5370000, 138412032 [pid 6464] <... munmap resumed>) = 0 [pid 6462] <... munmap resumed>) = 0 [ 116.371612][ T2015] ? __switch_to+0xc89/0x1420 [ 116.376289][ T2015] ? __pfx_kthread+0x10/0x10 [ 116.380986][ T2015] ret_from_fork_asm+0x1a/0x30 [ 116.385866][ T2015] [ 116.388881][ T2015] Modules linked in: [ 116.392879][ T2015] ---[ end trace 0000000000000000 ]--- [ 116.399959][ T2015] RIP: 0010:ext4_do_writepages+0x476b/0x4770 [ 116.400028][ T2015] Code: c6 20 5d 85 8b e8 95 f6 a1 fe 90 0f 0b e8 9d a8 40 ff 4c 89 f7 48 c7 c6 00 62 85 8b e8 7e f6 a1 fe 90 0f 0b e8 86 a8 40 ff 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f [ 116.400057][ T2015] RSP: 0000:ffffc90007c1ec60 EFLAGS: 00010293 [ 116.400099][ T2015] RAX: ffffffff8285d13a RBX: 0000004210000000 RCX: ffff88802bb61f40 [ 116.400124][ T2015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 116.400147][ T2015] RBP: ffffc90007c1f070 R08: 0000000000000000 R09: 0000000000000000 [ 116.400168][ T2015] R10: dffffc0000000000 R11: ffffed1007b6ccbc R12: ffff88804593d2c0 [ 116.400193][ T2015] R13: dffffc0000000000 R14: 0000004000000000 R15: ffff88803db66838 [ 116.400217][ T2015] FS: 0000000000000000(0000) GS:ffff888125bd5000(0000) knlGS:0000000000000000 [ 116.400242][ T2015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.400266][ T2015] CR2: 00007f41a53af000 CR3: 000000003b0d8000 CR4: 00000000003526f0 [ 116.400296][ T2015] Kernel panic - not syncing: Fatal exception [ 116.501509][ T2015] Kernel Offset: disabled [ 116.505836][ T2015] Rebooting in 86400 seconds..